What is an experimental design for assessing age related changes in which data are obtained simultaneously from people of differing ages?

Open databases

• Abdominal and Direct Fetal ECG Database: Multichannel fetal electrocardiogram recordings obtained from 5 different women in labor, between 38 and 41 weeks of gestation.
• AF Termination Challenge Database: ECG recordings created for the Computers in Cardiology Challenge 2004, which focused on predicting spontaneous termination of atrial fibrillation.
• AHA Database Sample Excluded Record: Two ECG signals that were excluded from the 1980 American Heart Association database.
• A large scale 12-lead electrocardiogram database for arrhythmia study: A 12-lead electrocardiogram database for arrhythmia research covering more than 10,000 patients
• A multi-camera and multimodal dataset for posture and gait analysis: Multimodal dataset with 166k samples for vision-based applications with a smart walker used in gait and posture rehabilitation. It is equipped with a pair of Depth cameras with data synchronized with an inertial MoCap system worn by the participant.
• ANSI/AAMI EC13 Test Waveforms: The files in this set can be used for testing a variety of devices that monitor the electrocardiogram. The recordings include both synthetic and real waveforms.
• Apnea-ECG Database: Seventy ECG signals with expert-labelled apnea annotations and machine-generated QRS annotations.
• A Pressure Map Dataset for In-bed Posture Classification: Pressure sensor data captured from 13 participants in various sleeping postures.
• Auditory evoked potential EEG-Biometric dataset: Recording of electroencephalogram (EEG) signals with the aim to develop an EEG-based Biometric. The Data includes resting-state and auditory stimuli experiments.
• Autonomic Aging: A dataset to quantify changes of cardiovascular autonomic function during healthy aging: This database contains resting recordings of ECG and continuous noninvasive blood pressure of 1,104 healthy volunteers
• A Wearable Exam Stress Dataset for Predicting Cognitive Performance in Real-World Settings: The data contains electrodermal activity, heart rate, blood volume pulse, skin surface temperature, inter beat interval and accelerometer data recorded during three exam sessions (midterm 1, midterm 2 and finals) as well as their corresponding grades
• Behavioral and autonomic dynamics during propofol-induced unconsciousness: Multimodal point process indices for heart rate variability and electrodermal activity for 9 subjects who are undergoing a controlled propofol sedation experiment where the concentration was increased and then decreased in stages.
• BIDMC Congestive Heart Failure Database: Long-term ECG recordings from 15 subjects with severe congestive heart failure.
• BIDMC PPG and Respiration Dataset: ECG signals extracted from the MIMIC-II Matched Waveform Database, with manual breath annotations added by annotators using impedance respiratory signal.
• BIG IDEAs Lab Glycemic Variability and Wearable Device Data: Glucose measurements and wrist-worn wearable sensor data from highnormoglycemic participants.
• Blood Pressure in Salt-Sensitive Dahl Rats: This database contains continuous blood pressure recordings for 9 Dahl SS rats and 6 Dahl SS.13BN rats, under high and low salt conditions.
• Body Sway When Standing and Listening to Music Modified to Reinforce Virtual Reality Environment Motion: This data were intended to show that music manipulated to match VR motion provided by an Oculus Rift head mounted display increased body sway when standing still.
• Brain Hemorrhage Extended (BHX): Bounding box extrapolation from thick to thin slice CT images: The first version of this dataset was made available in the forum of Kaggle competition 'RSNA Intracranial Hemorrhage Detection' (v1.0). Then minor corrections were implemented (v1.1).
• Brno University of Technology ECG Quality Database (BUT QDB): The database is intended for the development and objective comparison of algorithms designed to assess the quality of ECG records. It also enables objective comparison of results between authors.
• Brno University of Technology ECG Signal Database with Annotations of P Wave (BUT PDB): BUT PDB is an ECG signal database with marked peaks of P waves created for the development, and objective comparison of P wave detection algorithms. The database consists of 50 2-minute 2-lead ECG signal records with various types of pathology.
• Brno University of Technology Smartphone PPG Database (BUT PPG): BUT PPG is a database created for the purpose of evaluating PPG signal quality and estimation of heart rate. The data comprises 48 10-second recordings of PPGs recorded by smartphone and associated ECG signals used for determination of reference HR.
• CAP Sleep Database: The CAP Sleep Database is a collection of 108 polysomnographic recordings registered at the Sleep Disorders Center of the Ospedale Maggiore of Parma, Italy. The waveforms (contained in the .edf files…
• Cardiorespiratory measurement from graded cycloergometer exercise testing: Cardiorespiratory measurements acquired during 18 exercise tests performed at French West Indies University
• CAST RR Interval Sub-Study Database: Data from the Cardiac Arrhythmia Suppression Trial (CAST), a study designed to test the hypothesis that suppression of ventricular premature complexes would improve survival.
• Cerebral perfusion and cognitive decline in type 2 diabetes: Dataset collected during a study on type 2 diabetes on brain blood flow, vasoreactivity and functional outcomes (gait and balance) using TCD, MRI perfusion and foot pressure distribution and gait measures.
• Cerebral Vasoregulation in Diabetes: Diabetes is a risk factor for cerebral hypoperfustion and microvascular disease. This study assessed the effects of diabetic autonomic neuropathy with OH on cerebral vasoregulation.
• Cerebral Vasoregulation in Elderly with Stroke: Multimodal data from a large study investigating the effects of ischemic stroke on cerebral vasoregulation.
• Cerebromicrovascular Disease in Elderly with Diabetes: Type 2 diabetes increases risk for cerebrovascular disease, cognitive and mobility decline in older people. This project evaluated relationship between diabetes, inflammation cerebrovascular reactivity and functional outcomes.
• CHARIS database: Multi-channel recordings of ECG, arterial blood pressure (ABP), and intracranial pressure (ICP) of patients diagnosed with traumatic brain injury.
• CHB-MIT Scalp EEG Database: EEG recordings from pediatric subjects with intractable seizures, collected at the Children’s Hospital Boston.
• CiPA ECG Validation Study: ECG effects of ranolazine, verapamil, lopinavir+ritonavir, chloroquine, dofetilide, diltiazem, and dofetilide+diltiazem in a small clinical study.
• Clinical data from the MIMIC-II database for a case study on indwelling arterial catheters: Dataset extracted from MIMIC-II for a tutorial on effectiveness of indwelling arterial catheters in hemodynamically stable patients with respiratory failure for mortality outcomes.
• Combined measurement of ECG, Breathing and Seismocardiograms: ECG and seismocardiogram data collected from 20 presumed healthy volunteers.
• Complex Upper-Limb Movements: Hand trajectory data collected from ten subjects as they performed various upper-limb motor tasks.
• Congestive Heart Failure RR Interval Database: This database includes beat annotation files for 29 long-term ECG recordings of subjects aged 34 to 79, with congestive heart failure (NYHA classes I, II, and III).
• Continuous Cuffless Monitoring of Arterial Blood Pressure via Graphene Bioimpedance Tattoos: Cuffless blood pressure data repository that includes raw time data for 4-channel Bioimpedance signals using Graphene Tattoos from the wrist with synchronized continuous blood pressure and PPG signals from 7 subjects
• CPAP Pressure and Flow Data from a Local Trial of 30 Adults at the University of Canterbury: A pressure and flow dataset was collected from a trial of 30 adults at the University of Canterbury undergoing CPAP therapy for a variety of instructed breath rates at PEEP levels of 4cmH2O and 7cmH2O.
• CTU-CHB Intrapartum Cardiotocography Database: 552 cardiotocography records collected between 2010 and 2012 at the Czech Technical University and University Hospital in Brno.
• CUILESS2016: A corpus of Concept Unique Identifier concepts taken from the SemEval2015 Task 14.
• CU Ventricular Tachyarrhythmia Database: This database includes 35 eight-minute ECG recordings of human subjects who experienced episodes of sustained ventricular tachycardia, ventricular flutter, and ventricular fibrillation.
• ECG Effects of Dofetilide, Moxifloxacin, Dofetilide+Mexiletine, Dofetilide+Lidocaine and Moxifloxacin+Diltiazem: ECG from 22 subjects for a study on response of hERG potassium channel blocking drugs with and without the addition of late sodium or calcium channel blocking drugs.
• ECG Effects of Ranolazine, Dofetilide, Verapamil, and Quinidine: ECGs of 22 subjects for a study aimed at comparing the effects of QT prolonging drugs versus placebo on electrophysiological parameters.
• ECG Fragment Database for the Exploration of Dangerous Arrhythmia: Dataset derived from the MIT-BIH Malignant Ventricular Ectopy Database.
• ECG-ID Database: ECG recordings from 90 volunteers.
• EEG During Mental Arithmetic Tasks: The database contains EEG recordings of subjects before and during the performance of mental arithmetic tasks.
• EEG Motor Movement/Imagery Dataset: EEG recordings obtained from 109 volunteers.
• EEG Signals from an RSVP Task: This project contains EEG data from 11 healthy participants upon rapid presentation of images through the Rapid Serial Visual Presentation (RSVP) protocol at speeds of 5, 6, and 10 Hz.
• Effect of 24-hour sleep deprivation on cerebral hemodynamics and cognitive performance: We assessed the impact of 24-hour sleep deprivation on the global properties of frontal lobe functional networks and on cognitive performance. fNIRS measurements were carried out in the resting state and in response to a finger-tapping paradigm.
• Effect of Deep Brain Stimulation on Parkinsonian Tremor: Rest tremor velocity in the index finger of 16 subjects with Parkinson's disease who receive chronic high frequency electrical deep brain stimulation.
• eICU Collaborative Research Database Demo: An openly available subset of the eICU Collaborative Research Database.
• Electrocardiogram, skin conductance and respiration from spider-fearful individuals watching spider video clips: Dataset used for development of an algorithm for on-line anxiety level detection from biosignals.
• EPHNOGRAM: A Simultaneous Electrocardiogram and Phonocardiogram Database: An open-access database recorded during the EPHNOGRAM project, consisting of simultaneous electrocardiogram (ECG) and phonocardiogram (PCG) recordings from young healthy adults, during stress-test experiments.
• ERP-based Brain-Computer Interface recordings: Data generated as part of a study aimed at identifying the factors limiting the performance of brain-computer interfaces based on event-related potentials.
• European ST-T Database: Annotated excerpts of ambulatory ECG recordings from 79 subjects, designed for evaluation of algorithms for analysis of ST and T-wave changes.
• Evoked Auditory Responses in Heading Impaired: Auditory Brainstem Response and Otoacoustic Emission recordings in eight hearing impaired listeners.
• Evoked Auditory Responses in Normals: Auditory Brainstem Response and Otoacoustic Emission recordings generated as part of a study examining evoked potentials and loudness growth.
• Examples of Electromyograms: An electromyogram (EMG) is a common clinical test used to assess function of muscles and the nerves that control them. EMG studies are used to help in the diagnosis and management of disorders such a…
• Eye Tracking Dataset for the 12-Lead Electrocardiogram Interpretation of Medical Practitioners and Students: The project aims at collecting a dataset using eye-tracking technology to understand the 12-lead electrocardiogram interpretation visual behavior for medical practitioners and students with different expertise levels.
• Fantasia Database: ECG and respiration signals collected from 40 young and elderly subjects during supine resting.
• Fetal ECG Synthetic Database: The _FECGSYNDB_ is a large database of simulated adult and non-invasive fetal ECG (NI-FECG) signals, which provides a robust resource that enables reproducible research in the field. The data is gene…
• Fetal PCG Database: The project collects a series of 26 fetal phonocardiographic (PCG) signals from different pregnant women during the last months of their singleton physiological pregnancies (gestational week between …
• Gait in Aging and Disease Database: Walking stride interval time series from 15 subjects.
• Gait in Neurodegenerative Disease Database: Database of simulated adult and non-invasive fetal ECG signals.
• Gait in Parkinson's Disease: This database contains measures of gait from 93 patients with idiopathic PD (mean age: 66.3 years; 63% men), and 73 healthy controls (mean age: 66.3 years; 55% men). The database includes the vertica…
• Gait Maturation Database: The data contained here are from 50 healthy children ranging in age from 40 months to 163 months. Each data file is named with a subject identifier (1-50) and the subject's age (e.g., the file name 2…
• Gesture Recognition and Biometrics ElectroMyogram (GRABMyo): Open-access dataset of electromyogram (EMG) recordings collected from the wrist and forearm muscles of 43 people while they performed hand gestures.
• Haaglanden Medisch Centrum sleep staging database: A collection of 151 whole-night PolySomnoGraphic (PSG) sleep recordings from the Haaglanden Medisch Centrum (HMC, The Netherlands) sleep center containing different traces of ExG activity and expert's scorings of sleep stages
• Heart Rate Oscillations during Meditation: Heart rate time series for 5 different groups of healthy subjects performing meditation techniques.
• Human Balance Evaluation Database: Force platform recordings from 163 subjects undergoing stabilography tests.
• Icelandic 16-electrode Electrohysterogram Database: This database consists of 122 16-electrode EHG recordings performed on 45 pregnant women. The recordings were performed between 2008 and 2010 in Iceland.
• Icentia11k Single Lead Continuous Raw Electrocardiogram Dataset: This is a dataset of continuous raw electrocardiogram (ECG) signals for representation learning containing 11 thousand patients and 2 billion labelled beats.
• Indian Institute of Science Fetal Heart Sound Database (IIScFHSDB): The IIScFHSDB has 60 fetal phonocardiography recordings obtained in a hospital setting with the objective to provide fPCG recordings with clinical noise settings for development of signal processing algorithms for FHR determination and denoising fPCG
• Influence of the MHD effect on 12-lead and 3-lead ECGs recorded in 1T to 7T MRI scanners: ECG signals were acquired in various MRI scanners to enable the study of the magnetohydrodynamic (MHD) effect. The MHD effect, which is caused by an interaction of the blood flow and the MRI’s high static magnetic field, superimposes the ECG signal.
• Intracardiac Atrial Fibrillation Database: This database consists of endocardial recordings from the right atria of 8 patients in atrial fibrillation or flutter. A decapolar catheter with 2-5-2mm spacing (7mm spacing between bipoles) was plac…
• Labeled raw accelerometry data captured during walking, stair climbing and driving: Labeled raw accelerometry data collected during outdoor walking, stair climbing, and driving for 32 healthy adults. Data were collected simultaneously at four body locations: left wrist, left hip, both ankles.
• Lobachevsky University Electrocardiography Database: ECG signal database that consists of 200 10-second 12-lead records. The boundaries and peaks of P, T waves and QRS complexes were manually annotated by cardiologists. Each record is annotated with the corresponding diagnosis.
• Long Term AF Database: This database includes 84 long-term ECG recordings of subjects with paroxysmal or sustained atrial fibrillation (AF). Each record contains two simultaneously recorded ECG signals digitized at 128 Hz …
• Long Term Movement Monitoring Database: The LTMM database contains 3-day 3D accelerometer recordings of 71 elder community residents, used to study gait, stability, and fall risk.
• Long-term Recordings of Gait Dynamics: Stride interval fluctuations were studied in ten young, healthy men. Participants had no history of any neuromuscular, respiratory or cardiovascular disorders, and were taking no medications. Mean ag…
• Long Term ST Database: The Long-Term ST Database contains 86 lengthy ECG recordings of 80 human subjects, chosen to exhibit a variety of events of ST segment changes, including ischemic ST episodes, axis-related non-ischem…
• MAMEM SSVEP Database: Released by the Information Technologies Institute (CERTH-ITI) and powered by MAMEM HORIZON 2020, the MSSVEP database contains EEG recordings of 11 subjects under the stimulation of flickering lights…
• Mental workload during n-back task captured by TransCranial Doppler (TCD) sonography and functional Near-Infrared Spectroscopy (fNIRS) monitoring: Functional near-infrared spectroscopy and transcranial doppler sonography were used to measure changes in cerebral hemodynamics during cognitive stimulation.
• MGH/MF Waveform Database: The Massachusetts General Hospital/Marquette Foundation (MGH/MF) Waveform Database is a comprehensive collection of electronic recordings of hemodynamic and electrocardiographic waveforms of stable a…
• MICRO Motion capture data from groups of participants standing still to auditory stimuli (2012): How and why does music make us move? This dataset was collected as part of a project to investigate how music influences small magnitude motion observed when people try to stand still.
• MICRO Motion capture data from groups of participants standing still to auditory stimuli (2015): How and why does music make us move? This project investigates how music influences small magnitude motion observed when people try to stand still.
• MIMIC Database: The MIMIC Database includes data recorded from over 90 ICU patients. The data in each case include signals and periodic measurements obtained from a bedside monitor as well as clinical data obtained …
• MIMIC-III Clinical Database Demo: An open source demo of the MIMIC-III Clinical Database
• MIMIC-III Waveform Database: The MIMIC-III Waveform Database contains numerous physiological signals (including continuous ECG, PPG, ABP, and other signals) and periodic measurements, recorded by bedside patient monitors from about 30,000 patients in intensive care units.
• MIMIC-III Waveform Database Matched Subset: Physiological signals (including continuous ECG, PPG, ABP, and other signals) that are associated with patients in the MIMIC-III Clinical Database.
• MIMIC-IV Clinical Database Demo: An openly available subset of patients in the MIMIC-IV database.
• MIMIC-IV Clinical Database Demo on FHIR: MIMIC-IV-on-FHIR is a hundred patient demo of MIMIC-IV v2.0 in the Fast Healthcare Interoperability Resources(FHIR) format. MIMIC-IV-on-FHIR provides implementers with a real-world FHIR datastore to aid in FHIR research and development.
• MIMIC-IV demo data in the OMOP Common Data Model: Preliminary work to transform a MIMIC-IV demo dataset to the OMOP Common Data Model
• MIMIC-IV-ECG Demo - Diagnostic Electrocardiogram Matched Subset Demo: The MIMIC-IV ECG Demo module contains 659 diagnostic electrocardiograms across 92 unique patients. These 92 patients overlap with the patients from the MIMIC-IV Clinical Demo and are also part of the MIMIC-IV Clinical Database.
• MIMIC-IV Waveform Database: The MIMIC-IV Waveform Database collects physiological signals and measurements from ICU bedside monitors. Coupled with the clinical information available in MIMIC-IV, it provides a detailed view into the physiology of critically ill patients.
• MIT-BIH Arrhythmia Database: Two-channel ambulatory ECG recordings, obtained from 47 subjects studied by the BIH Arrhythmia Laboratory between 1975 and 1979.
• MIT-BIH Arrhythmia Database P-Wave Annotations: P-wave annotations for twelve signals from the MIT-BIH Arrhythmia Database.
• MIT-BIH Atrial Fibrillation Database: This database includes 25 long-term ECG recordings of human subjects with atrial fibrillation (mostly paroxysmal).
• MIT-BIH ECG Compression Test Database: This database contains 168 short ECG recordings (20.48 seconds each) selected to pose a variety of challenges for ECG compressors, in particular for lossy compression methods.
• MIT-BIH Long-Term ECG Database: This database contains 7 long-term ECG recordings (14 to 22 hours each), with manually reviewed beat annotations.
• MIT-BIH Malignant Ventricular Ectopy Database: This database includes 22 half-hour ECG recordings of subjects who experienced episodes of sustained ventricular tachycardia, ventricular flutter, and ventricular fibrillation.
• MIT-BIH Noise Stress Test Database: This database includes 12 half-hour ECG recordings and 3 half-hour recordings of noise typical in ambulatory ECG recordings. The noise recordings were made using physically active volunteers and stan…
• MIT-BIH Normal Sinus Rhythm Database: Long-term ECG recordings of 18 subjects referred to the Arrhythmia Laboratory at Boston's Beth Israel Hospital.
• MIT-BIH Polysomnographic Database: Recordings of multiple physiologic signals during sleep, collected from 18 subjects monitored at Boston's Beth Israel Hospital Sleep Laboratory.
• MIT-BIH ST Change Database: Twenty eight ECG recordings of varying lengths, most of which were recorded during exercise stress tests and which exhibit transient ST depression.
• MIT-BIH Supraventricular Arrhythmia Database: This database includes 78 half-hour ECG recordings chosen to supplement the examples of supraventricular arrhythmias in the MIT-BIH Arrhythmia Database.
• MMG Database: Uterine magnetomyographic signals from 25 subjects recorded using a 151 channel Reproductive Assessment system.
• Modulation of Plantar Pressure and Muscle During Gait: Plantar pressure distribution and muscle activity during gait from 20 healthy male adults.
• Motion and heart rate from a wrist-worn wearable and labeled sleep from polysomnography: Motion data and heart rate measurements from Apple Watches from sleeping people undergoing polysomnography.
• Motion Artifact Contaminated ECG Database: Short duration ECG signals are recorded from a healthy 25-year-old male performing different physical activities to study the effect of motion artifacts on ECG signals and their sparsity.
• Motion Artifact Contaminated fNIRS and EEG Data: Examples of functional near-infrared spectroscopy and electroencephalogram recordings that have been created for evaluating artifact removal methods.
• Multilevel Monitoring of Activity and Sleep in Healthy People: Multilevel Monitoring of Activity and Sleep in Healthy people (MMASH) dataset provides 24 hours of continuous beat-to-beat heart data, triaxal accelerometer data, sleep quality, physical activity, psychological characteristics and salivary samples.
• neuroQWERTY MIT-CSXPD Dataset: Keystroke logs collected from 85 subjects with and without Parkinson's disease.
• NInFEA: Non-Invasive Multimodal Foetal ECG-Doppler Dataset for Antenatal Cardiology Research: Open dataset featuring non-invasive electrophysiological recordings, fetal pulsed-wave Doppler and maternal respiration signals. It provides a ground truth on the fetal heart activity when an invasive scalp lead is unavailable.
• Noise Enhancement of Sensorimotor Function: Postural sway measurements for 27 healthy young and elderly volunteers.
• Non-EEG Dataset for Assessment of Neurological Status: Non-EEG physiological signals collected using non-invasive wrist worn biosensors and consists of electrodermal activity, temperature, acceleration, heart rate, and arterial oxygen level.
• Non-Invasive Fetal ECG Arrhythmia Database: Fetal cardiac arrhythmias are defined as any irregular fetal cardiac rhythm or regular rhythm at a rate outside the reference range of 100 to 200 beat per minute (bpm). Arrhythmias are discovered in …
• Non-Invasive Fetal ECG Database: Fifty-five multichannel abdominal non-invasive fetal electrocardiogram recordings, taken from a single subject between 21 to 40 weeks of pregnancy.
• Normal Sinus Rhythm RR Interval Database: Beat annotation files for 54 long-term ECG recordings of subjects in normal sinus rhythm.
• Norwegian Endurance Athlete ECG Database: This project contains 28 ECGs from 28 healthy elite athletes. The ECGs have been interpreted by the Marquette SL12 (version 23) algorithm and a Cardiologist using the International Criteria for ECG interpretation (2018).
• OB-1 Fetal ECG Database: This project is developing a set of recordings of fetal scalp electrograms and uterine muscular activity, with beat-by-beat annotations of the fetal ECG, to support studies of fetal heart rate variab…
• Open Access Dataset and Toolbox of High-Density Surface Electromyogram Recordings: We provide an open access dataset of High Density Surface Electromyogram (HD-sEMG). Our dataset can be used for both hand gesture classification-based neuroprosthetic control and EMG-force regression based proportional neuroprosthetic control.
• PAF Prediction Challenge Database: ECG recordings created for use in the Computers in Cardiology Challenge 2001, a competition with the goal of developing automated methods for predicting paroxysmal atrial fibrillation.
• Pattern Analysis of Oxygen Saturation Variability: This database contains one hour oxygen saturation measurements of 36 patients, used for the analysis of oxygen saturation variability.
• Permittivity of Healthy and Diseased Skeletal Muscle: Conductivity and relative permittivity of healthy and diseased skeletal muscle.
• Physiologic Response to Changes in Posture: A collection of physiological signals in ten healthy subjects in response to a slow tilt, a fast tilt, and a standing-up maneuver.
• PhysioZoo - mammalian NSR databases: PhysioZoo is a collaborative platform dedicated to the study of the heart rate variability in electrophysiological recordings from mammals
• Post-Ictal Heart Rate Oscillations in Partial Epilepsy: This database contains "post-ictal heart rate oscillations in a heterogeneous group of patients with partial epilepsy.
• Preterm Infant Cardio-Respiratory Signals Database: ECG and respiration recordings of ten preterm infants collected from a Neonatal Intensive Care Unit.
• PTB Diagnostic ECG Database: ECGs obtained from 290 subjects using a non-commercial, prototype recorder developed at Physikalisch-Technische Bundesanstalt.
• PTB-XL, a large publicly available electrocardiography dataset: The PTB-XL ECG dataset is a large dataset of 21801 clinical 12-lead ECGs from 18869 patients of 10 second length. The raw signal data has been annotated by up to two cardiologists with 71 different ECG statements and is supplemented by rich metadata.
• Pulse Amplitudes from electrodermal activity collected from healthy volunteer subjects at rest and under controlled sedation: This database of pulse times and amplitudes from electrodermal activity was collected from 11 healthy volunteer subjects who were awake and at rest and 11 (different) healthy volunteer subjects who were under controlled propofol sedation.
• Pulse Transit Time PPG Dataset: Time synchronised multi-site PPG dataset for PTT including sensors’ attachment pressures, temperatures, inertial data from accelerometer and gyroscope, annotated ECG data, blood pressures, as well as blood oxygenation saturation levels (SpO2)
• Q-Pain: A Question Answering Dataset to Measure Social Bias in Pain Management: Q-Pain, a medical QA dataset designed to enable the substitution of multiple different racial and gender "profiles" for patients and to evaluate whether bias is present when deciding whether to prescribe pain medication or not.
• QT Database: One hundred two-lead ECG recordings, many extracted from other databases, with onset, peak, and end markers for P, QRS, T, and U waves.
• Quantitative Dehydration Estimation: Quantitative estimation of dehydration (total body water loss) using bioimpedance measurements, temperature measurements, salivary samples, and sweat samples.
• Recordings excluded from the NSR DB: The recordings in this collection were originally selected for inclusion in the MIT-BIH Normal Sinus Rhythm Database, but were excluded after study revealed low-grade arrhythmias.
• Response to Valsalva Maneuver in Humans: Functional metrics of autonomic control of heart rate, including baroreflex sensitivity, have been shown to be strongly associated with cardiovascular risk. A decrease in baroreflex sensitivity with …
• RR interval time series from healthy subjects: This database contains RR intervals time series from healthy subjects aged between 1month and 55 years
• Safety and Preliminary Efficacy of Intranasal Insulin for Cognitive Impairment in Parkinson Disease and Multiple System Atrophy: Dataset collected as part of a study that aimed to determine the effects of intranasal insulin on cognition and motor performance in Parkinson's disease.
• Samples of MR Images: These magnetic resonance angiography (MRA) images show coronal slices acquired from consecutive anteroposterior positions within the torso. The study was performed on a 1.5T General Electric (GE) Sig…
• Santa Fe Time Series Competition Data Set B: This is a multivariate data set recorded from a patient in the sleep laboratory of the Beth Israel Hospital (now the Beth Israel Deaconess Medical Center) in Boston, Massachusetts. This data set was …
• Shiraz University Fetal Heart Sounds Database: The Shiraz University (SU) fetal heart sounds database (SUFHSDB) contains fetal and maternal phonocardiogram (PCG) recordings from 109 pregnant women in single and twin pregnancies.
• Siena Scalp EEG Database: The database consists of EEG recordings of 14 epileptic patients acquired at the Unit of Neurology and Neurophysiology of the University of Siena. Subjects include 9 males (ages 25-71) and 5 females (ages 20-58).
• Simulated Fetal Phonocardiograms: This data set is a series of synthetic fetal phonocardiographic signals (PCGs) relative to different fetal states and recording conditions.
• Simultaneous physiological measurements with five devices at different cognitive and physical loads: Dataset to support comparison of usability and accuracy from simultaneous measurements collected from 13 subjects including five devices: NeXus-10 MKII, eMotion Faros 360°, Hexoskin Hx1, SOMNOTouch NIBP, Polar RS800 Multi.
• Sleep Bioradiolocation Database: The database contains 32 records of non-contact sleep monitoring by a bioradar. The records are accompanied by results of sleep scoring, based on polysomnography according to the rules of the America…
• Sleep-EDF Database: The sleep-edf database contains whole-night PolySomnoGraphic sleep recordings, containing EEG, EOG, chin EMG, and event markers.
• Sleep-EDF Database Expanded: The sleep-edf database contains 197 whole-night PolySomnoGraphic sleep recordings, containing EEG, EOG, chin EMG, and event markers. Some records also contain respiration and body temperature. Corres…
• Sleep Heart Health Study PSG Database: Data collected for a prospective cohort study designed to investigate the relationship between sleep disordered breathing and cardiovascular disease.
• Smart Health for Assessing the Risk of Events via ECG Database: Holter recordings of 139 hypertensive patients recruited at the Centre of Hypertension of the University Hospital of Naples Federico II.
• Spontaneous Ventricular Tachyarrhythmia Database: RR interval time series, recorded by implanted cardioverter defibrillators in 78 subjects.
• Squid Giant Axon Membrane Potential: The SGAMP database contains single-unit neuronal recordings of North Atlantic squid (Loligo pealei) giant axons in response to stimulus currents. The membrane potential and stimulus current are given…
• STAFF III Database: The STAFF III database was acquired during 1995-96 at Charleston Area Medical Center (WV, USA) where single prolonged balloon inflation had been introduced to achieve optimal results of percutaneous …
• St Petersburg INCART 12-lead Arrhythmia Database: Annotated ECG recordings extracted from 32 Holter records.
• Stress Recognition in Automobile Drivers: This database, contributed to PhysioNet by its creator, Jennifer Healey, contains a collection of multiparameter recordings from healthy volunteers, taken while they were driving on a prescribed rout…
• St. Vincent's University Hospital / University College Dublin Sleep Apnea Database: Overnight polysomnograms with simultaneous three-channel Holter ECG, from 25 adult subjects with suspected sleep-disordered breathing.
• Sudden Cardiac Death Holter Database: PhysioNet has inaugurated a Sudden Cardiac Death Database to support research and to stimulate progress in this important area of electrophysiology. We initiate this database with 23 complete Holter …
• Surface electromyographic signals collected during long-lasting ground walking of young able-bodied subjects: The dataset is composed of long-lasting surface electromyographic (sEMG) signals recorded from ten muscles during ground walking of 31 young able-bodied subjects in Movement Analysis Lab, Università Politecnica delle Marche, Ancona, Italy.
• Surrogate Data with Correlations, Trends, and Nonstationarities: Data collected for a study on a scaling analysis method used to estimate long-range power-law correlation exponents in noisy signals.
• Tai Chi, Physiological Complexity, and Healthy Aging - Gait: This project includes gait data collected with footswitches and electromyography data from subjects who walked for 10 minutes under normal conditions and for 90 seconds under dual-task conditions (walking while performing serial subtractions).
• Tappy Keystroke Data: This is the keystroke dataset for the study titled 'High-accuracy detection of early Parkinson's Disease using multiple characteristics of finger movement while typing'. This research report is curre…
• Term-Preterm EHG Database: Electrohysterogram records during regular check-ups at the University Medical Centre Ljubljana between 1997 and 2005.
• Term-Preterm EHG DataSet with Tocogram: Electrohysterogram signals accompanied by a simultaneously recorded external tocogram.
• The CirCor DigiScope Phonocardiogram Dataset: A large collection of multi-location heart sound signals, with 5272 records collected from 1568 subjects. Heart murmurs have been annotated by a human annotator based on their time, shape, pitch, grading, quality, location and location intensity.
• Treadmill Maximal Exercise Tests from the Exercise Physiology and Human Performance Lab of the University of Malaga: Cardiorespiratory measurements of 992 treadmill maximal graded exercise tests. Heart rate, oxygen consumption, carbon dioxide generation, and pulmonary ventilation are provided.
• T-Wave Alternans Challenge Database: Multichannel ECG records collected for the 2008 Computers In Cardiology Challenge.
• Two-tiered response of cardiorespiratory-cerebrovascular networks to orthostatic challenge: Dataset comprising the following physiological signals: blood pressure, respiratory rate, blood flow velocity in the middle cerebral arteries and tissue hemoglobin concentration in the prefrontal cortex.
• UniCA ElectroTastegram Database (PROP): Differential biopotential measurements recorded from the tongues of 39 healthy voluntary human subjects.
• Video Pulse Signals in Stationary and Motion Conditions: Pulse signal recordings obtained from 15 healthy volunteers.
• Visceral adipose tissue measurements during pregnancy: Maternal visceral adipose tissue measurements collected as part of a cohort study of 154 pregnant women.
• VitalDB, a high-fidelity multi-parameter vital signs database in surgical patients: VitalDB, a high-fidelity multi-parameter vital signs database in surgical patients
• VOICED Database: This database includes 208 voice samples, from 150 pathological, and 58 healthy voices.
• Wearable-based signals during physical exercises from patients with frailty after open-heart surgery: A data collection contains a wearable-based electrocardiogram and triaxial acceleration signals of 80 elderly patients with frailty after an open-heart surgery. The signals were collected while the patients were performing a series of exercise tests.
• Wide-field calcium imaging sleep state database: Wide-field calcium imaging database that consists of annotated sleep recording collected from transgenic mice at Washington University of St Louis School of Medicine.
• Wilson Central Terminal ECG Database: Wilson Central Terminal ECG signals recorded from 92 patients.
• Wrist PPG During Exercise: Photoplethysmogram recorded from 8 volunteers during walking, running and bike riding.

Restricted databases

• BigIdeasLab_STEP: Heart rate measurements captured by smartwatches for differing skin tones: Comparison of HR values reported by ECG (Bittium Faros) and wearables including Biovotion Everion, Empatica E4, Apple Watch, Garmin, Fitbit, and Xiaomi Miband.
• Computed Tomography Images for Intracranial Hemorrhage Detection and Segmentation: Head computed tomography (CT) scans with intracranial hemorrhage (ICH) segmentation, ICH subtypes and skull fracture.
• Flatten: COVID-19 Survey Data on Symptoms, Demographics and Mental Health in Canada: Freely accessible COVID-19 symptom dataset surveying Canadians and gathered from March to July of 2020 by the global humanitarian aid non-profit Flatten. This dataset of 294,106 surveys gathered from March 23rd to July 30th in 2020.
• Gout Emergency Department Chief Complaint Corpora: A corpus of chief complaints tagged with predicted gout flare status and chart reviewed gout flare status. Ideal for input to masked language model training to supplement lengthy clinical text notes.
• Hospitalized patients with heart failure: integrating electronic healthcare records and external outcome data: The new version added beta blockers in the dat_md.csv file. Dataset comprising hospital-level data on patients who were admitted with heart failure to Zigong Fourth People’s Hospital, Sichuan, China between 2016 and 2019.
• In-hospital physical activity measured with a new Bosch accelerometer sensor system: Measurements of physical activity with wrist-worn Bosch sensor platform to test predictive performance for the duration of hospitalization and readmission in 58 patients with acute illnesses in internal medicine
• KINECAL: A dataset for balance falls-risk assessment and balance impairment analysis
• Kinematic dataset of actors expressing emotions: 1402 kinematic recordings of twenty-two semi-professional actors expressing emotions such as happiness, sadness, anger, fear, disgust, and surprise.
• KURIAS-ECG: a 12-lead electrocardiogram database with standardized diagnosis ontology: The KURIAS-ECG database is a high-quality 12-lead ECG DB including standard vocabulary (SNOMED CT, OMOP-CDM), and ECG diagnoses of our DB are grouped into 10 diagnoses by applying the minnesota code.
• Multimodal Physiological Monitoring During Virtual Reality Piloting Tasks: Physiologic and flight performance data from a virtual reality task. Data for the CogPilot Data Challenge.
• Multitaper spectra recorded during GABAergic anesthetic unconsciousness: EEG power spectra recorded during anesthesia
• Pulmonary Edema Severity Grades Based on MIMIC-CXR: Pulmonary edema metadata and labels for MIMIC-CXR
• REFLACX: Reports and eye-tracking data for localization of abnormalities in chest x-rays: This dataset contains 3032 cases of eye-tracking data collected while five radiologists dictated reports for frontal chest x-rays, synchronized timestamped dictation transcription, and manual labels for validation of localization of abnormalities.
• Smartphone-Captured Chest X-Ray Photographs: Smartphone-captured CXR images including photographs taken from MIMIC-CXR and CheXpert, photographs taken by resident doctors, and photographs taken with different devices.
• Upper body thermal images and associated clinical data from a pilot cohort study of COVID-19: Thermal videos of people with positive and negative COVID-19 tests.
• VinDr-Mammo: A large-scale benchmark dataset for computer-aided detection and diagnosis in full-field digital mammography: A large-scale benchmark dataset for computer-aided detection and diagnosis in mammography
• VinDr-PCXR: An open, large-scale pediatric chest X-ray dataset for interpretation of common thoracic diseases: An open, large-scale pediatric chest X-ray dataset that contains both lesion-level labels and image-level labels for multiple findings and diseases for interpretation of common thoracic diseases.
• VinDr-SpineXR: A large annotated medical image dataset for spinal lesions detection and classification from radiographs: VinDr-SpineXR: A large annotated medical image dataset for spinal lesions detection and classification from radiographs

Credentialed databases

• AMR-UTI: Antimicrobial Resistance in Urinary Tract Infections: AMR-UTI is a freely accessible dataset, derived from electronic health record (EHR) information on over 100,000 urinary tract infections (UTI) treated at Massachusetts General Hospital and Brigham & Women's Hospital in Boston, MA, USA.
• Annotated Question-Answer Pairs for Clinical Notes in the MIMIC-III Database: Annotated Question Answering Pairs for Clinical Notes in the MIMIC-III Database
• BRAX, a Brazilian labeled chest X-ray dataset: BRAX contains 24,959 chest radiography exams and 40,967 images acquired in a large general Brazilian hospital. All images have been read by trained radiologists and 14 labels were derived from Brazilian Portuguese reports using NLP.
• Chest ImaGenome Dataset: The Chest ImaGenome dataset is a scene graph dataset with additional chronological comparison relations for chest X-rays. It is automatically derived from the MIMIC-CXR dataset. A manually annotated gold standard is also available for 500 patients.
• Chest X-ray segmentation images based on MIMIC-CXR: A chest x-rays segmentation dataset derived from MIMIC-CXR based on deep learning algorithm and human examination.
• CLIP: A Dataset for Extracting Action Items for Physicians from Hospital Discharge Notes: Clinical action items annotated over MIMIC-III. 718 discharge summaries are labeled at a sentence- and character-level with multiple action labels including Appointment, Lab, Procedure, Medication, Imaging, Patient Instructions, and Other.
• Critical care database comprising patients with infection at Zigong Fourth People's Hospital: Routinely collected data from critical care units at Zigong Fourth People’s Hospital, Sichuan, China for patients admitted between January 2019 and December 2020 Missing information on temperature are updated in the new version.
• Curated Data for Describing Blood Glucose Management in the Intensive Care Unit: The data subsets consist of time series files that includes all the curated entries of glucose readings and insulin inputs from MIMIC-III database.
• Deidentified Medical Text: Gold standard corpus of 2,434 deidentified nursing notes
• DrugEHRQA: A Question Answering Dataset on Structured and Unstructured Electronic Health Records For Medicine Related Queries: DrugEHRQA is a QA dataset containing question-answers from MIMIC-III tables and discharge summaries.
• eICU Collaborative Research Database: Multi-center database comprising deidentified health data associated with over 200,000 admissions to ICUs across the United States between 2014-2015.
• Electrodermal Activity of Healthy Volunteers while Awake and at Rest: This database of electrodermal activity was collected from 11 healthy volunteer subjects who were awake and at rest in seated position and 11 (different) healthy volunteer subjects who were under computer-controlled propofol sedation.
• Eye Gaze Data for Chest X-rays: This dataset was a collected using an eye tracking system while a radiologist interpreted and read 1,083 public CXR images. The dataset contains the following aligned modalities: image, transcribed report text, dictation audio and eye gaze data.
• FFA-IR: Towards an Explainable and Reliable Medical Report Generation Benchmark: Benchmark dataset for report generation based on fundus fluorescein angiography images and reports.
• GOSSIS-1-eICU, the eICU-CRD subset of the Global Open Source Severity of Illness Score (GOSSIS-1) dataset: GOSSIS-1 is an in-hospital mortality prediction algorithm for critical care patients. GOSSIS-1 was trained using data from three countries. This dataset corresponds with the USA subset of the GOSSIS-1 dataset for the 2022 publication below.
• Learning to Ask Like a Physician: a Discharge Summary Clinical Questions (DiSCQ) Dataset: Dataset of questions asked by medical experts about patients. Medical experts will read a discharge summary line-by-line and (1) ask any question that they may have and (2) record what in the text "triggered" them to ask their question.
• Maternal fat ultrasound measurement and nutritional assessment during pregnancy: A dataset centered in gestational outcomes: Dataset collected as part of a prospective study in which abdominal maternal fat tissue measurements were compared with outcomes during hospitalization for labor and delivery.
• MedNLI - A Natural Language Inference Dataset For The Clinical Domain: This is a resource for training machine learning models for language inference in the medical domain.
• MedNLI for Shared Task at ACL BioNLP 2019: Data for the MedNLI Shared Task at the 2019 ACL BioNLP 2019 Workshop on Biomedical Language Processing
• MIMIC-CXR Database: Chest radiographs in DICOM format with associated free-text reports.
• MIMIC-CXR-JPG - chest radiographs with structured labels: Chest x-rays in JPG format with structured labels derived from the associated radiology report.
• MIMICEL: MIMIC-IV Event Log for Emergency Department: MIMIC-IV Event Log for Emergency Department
• MIMIC-III and eICU-CRD: Feature Representation by FIDDLE Preprocessing: Features and labels from MIMIC-III and eICU-CRD produced by FIDDLE, an EHR preprocessing pipeline.
• MIMIC-III Clinical Database: MIMIC-III is a large, freely-available database comprising deidentified health-related data associated with over forty thousand patients who stayed in critical care units of the Beth Israel Deaconess…
• MIMIC-III Clinical Database CareVue subset: A subset of the MIMIC-III Clinical Database containing only patients admitted from 2001 - 2008.
• MIMIC-III - SequenceExamples for TensorFlow modeling: MIMIC-III data converted into TensorFlow SequenceExample format, for use in modeling pipelines.
• MIMIC-IV: Database of patients admitted to the Beth Israel Deaconess Medical Center
• MIMIC-IV-ED: A large database of emergency department admissions.
• MS-CXR: Making the Most of Text Semantics to Improve Biomedical Vision-Language Processing: MS-CXR is a new dataset containing 1162 Chest X-ray bounding box labels paired with radiology text descriptions, annotated and verified by two board-certified radiologists.
• National Institutes of Health Stroke Scale (NIHSS) Annotations for the MIMIC-III Database: A dataset of annotated NIHSS scale items and corresponding scores from stroke patients discharge summaries in MIMIC-III.
• NCH Sleep DataBank: A Large Collection of Real-world Pediatric Sleep Studies with Longitudinal Clinical Data: The NCH Sleep DataBank includes 3,984 pediatric sleep studies on 3,673 unique patients conducted at Nationwide Children's Hospital between 2017 and 2019. It contains polysomnography (PSG), clinical annotations, and longitudinal clinical data.
• Nosocomial Risk Datasets from MIMIC-III: Text-based Longitudinal Data for Predicting Nosocomial Disease Risk as used by CANTRIP.
• Paediatric Intensive Care database: PIC (Paediatric Intensive Care) is a large paediatric-specific, single-centre, bilingual database comprising information relating to children admitted to critical care units at a large children’s hospital in China.
• Phenotype Annotations for Patient Notes in the MIMIC-III Database: Clinical notes, annotated by at least two expert annotators for over ten patient phenotypes, including advanced cancer, substance abuse, and treatment non-adherence.
• RadGraph: Extracting Clinical Entities and Relations from Radiology Reports: RadGraph is a dataset of entities and relations in full-text chest X-ray radiology reports, which are obtained using a novel information extraction (IE) schema to capture clinically relevant information in a radiology report.
• RadNLI: A natural language inference dataset for the radiology domain: A radiology NLI dataset introduced in the paper: Improving Factual Completeness and Consistency of Image-to-text Radiology Report Generation
• RuMedNLI: A Russian Natural Language Inference Dataset For The Clinical Domain: RuMedNLI is the full counterpart dataset of MedNLI in Russian language.
• Synthetic Acute Hypotension and Sepsis Datasets Based on MIMIC-III and Published as Part of the Health Gym Project: This repository hosts the original Health Gym datasets of Acute Hypotension and Sepsis
• VinDr-CXR: An open dataset of chest X-rays with radiologist annotations: VinDr-CXR: An open dataset of chest X-rays with radiologist's annotations

Contributor Review databases

• BRATECA (Brazilian Tertiary Care Dataset): a Clinical Information Dataset for the Portuguese Language: Brazilian clinical dataset containing over 70,000 admissions from 10 hospitals in two Brazilian states.
• HiRID, a high time-resolution ICU dataset: The HiRID database contains a large selection of all routinely collected data relating to patient admissions to the Department of Intensive Care Medicine of the Bern University Hospital, Switzerland (ICU).

What research method is used to assess age related changes in which data is obtained from the same individuals at intervals over a long period of time?

What term describes a measure of how tightly clustered a group of scores from a data set is around the average?

What is an experimental design quizlet?

Which of the following refers to the subjects in an experimental study who do not receive the treatment being investigated?