We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our Privacy Policy.

Search

psg_month under Sleep Monitoring/Polysomnography/Administrative in SHHS variables
rdisn under Sleep Monitoring/Polysomnography/Administrative in SHHS variables
The Quality Assessment forms were completed by the scorer during preliminary review of the study, finalized after final scoring
lgbreath under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
When very large breaths (one or two) occur periodically (mostly on the inductance channels) between runs of fairly normal breaths for a duration of at least 10 minutes.
outliercheck1 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
restan2 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
indicate when the recording either started or ended in sleep
restan3 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
indicate when the recording either started or ended in sleep
restan4 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
"1: Yes", this indicates more than 30 minutes of the sleep period had either lost or unscorable EEG data
staging5 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
When the technical quality of the EEG does not allow distinction between sleep stages, but allows a differentiation between sleep and wake. The time considered sleep will be marked as Stage 2. No arousals will be scored for these studies.
staging6 under Sleep Monitoring/Polysomnography/Signal Quality/SHHS1 in SHHS variables
abnoreeg under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Scorer observed abnormal EEG during study.
abnoreye under Sleep Monitoring/Polysomnography/Signal Quality in SHHS variables
Scorer observed abnormal eye movements during study. Presence of the rhythmical lateral eye movements in Non-REM sleep, or asymmetrical or disconjugate movements.
apoe_edf_date under Administrative in APOE variables
Date and start time of the PSG as listed n the EDF file's header. Note: the start date has been deidentified to the first day of that month the PSG conducted.
stdatep under Sleep Monitoring/Polysomnography/Administrative in CFS variables