Related Variables
| avsao2nh |
Average oxygen saturation during NREM sleep from type II polysomnography
The mean of all oxygen saturation (SaO2) values in epochs scored as stages other than rapid eye movement sleep (REM) (i.e., 1,2,3/4). |
Sleep Monitoring/Polysomnography/Oxygen Saturation | |
| avsao2rh |
Average oxygen saturation during REM sleep from type II polysomnography
The mean of all oxygen saturation (SaO2) values in epochs scored as stage REM (Rapid eye movement sleep). |
Sleep Monitoring/Polysomnography/Oxygen Saturation | |
| timeremp |
Percentage of total sleep duration in REM from type II polysomnography
The ratio of time in rapid eye movement sleep (REM) to total sleep time, expressed as a percentage. |
Sleep Monitoring/Polysomnography/Sleep Architecture | |
| times34p | Percentage of total sleep duration in stage 3 and 4 from type II polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
| timest1p | Percentage of total sleep duration in stage 1 from type II polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture | |
| timest2p | Percentage of total sleep duration in stage 2 from type II polysomnography | Sleep Monitoring/Polysomnography/Sleep Architecture |