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Most of our datasets contain subjects with sleep apnea and heart rate data. Please read through the dataset documentation to see which ones might suit your research questions best.
It's about the HeartBEAT database, I can not find the files with all the patients' heart rate measurements, only the mean. I need a lot for my full ECG patient research.
The EDF files contain EKG and Pulse signals, which will give second-by-second tracings from the heart-related signals. You will find some EDF visualizing/processing tools on our directory here.
The EDF files are divided into two folders, followup and baseline, these two folders refer respectively to the readings of patients with apnea and control group?
EDFs are not numbered per patient, were the data randomized and scrambled?
Baseline = readings from the baseline visit
Followup = readings from the follow-up visit (approximately 3 months after baseline)
Subjects were randomized at baseline, followed for 3 months, and then given another sleep study. The numbers in the filenames are the Subject Codes, so many subjects have both a "baseline" and "followup" reading. (E.g. heartbeat-baseline-700001.edf is a reading from the same person as heartbeat-followup-700001.edf).
There were 3 treatment arms (described here) and the subjects are all mixed together (i.e. not separated out by apnea or control status).
An entry criteria for HeartBEAT was an AHI >= 15, so all the subjects in the study had some level of sleep apnea to begin with.