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Quality of the heart rate signal
quhr
under Sleep Monitoring/Polysomnography/Signal Quality/SHHS2 in
SHHS variables
Sleep Heart Health Study Visit 2 (SHHS2)-These vary from 1 (poorest) to 5 (best) and reflect the proportion of sleep time the signals were useable.
Urgent Referral - Unusual HR/ECG (Categorical) from type II polysomnography
unuhrou5
under Sleep Monitoring/Polysomnography/Signal Quality in
MESA variables
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