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Percentage of sleep duration in REM sleep associated with oxygen saturation less than 85% from type I polysomnography

perspo2lt85tstrem under Sleep Monitoring/Polysomnography/Sleep Architecture in APPLES variables

PSG Percent of REM Total Sleep Time Oxygen Saturation Less than 85%

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type I polysomnography

soremfsopsg under Sleep Monitoring/Polysomnography/Sleep Architecture in APPLES variables

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake from type I polysomnography

remlat under Sleep Monitoring/Polysomnography/Sleep Architecture in MSP variables

Percentage of total sleep duration (i.e., total sleep time, TST) in REM from type I polysomnography

tstrem under Sleep Monitoring/Polysomnography/Sleep Architecture in MSP variables

The ratio of time in rapid eye movement sleep (REM) to total sleep time, expressed as a percentage.

PSG Quality Assessment: REM/NREM Scoring unreliable

remnrempr under Sleep Monitoring/Polysomnography/Signal Quality in CCSHS variables

Scorer noted that there was a problem differentiating REM and non-REM sleep.

REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake from type I polysomnography

remlaiip under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables

Percentage of REM sleep among total sleep duration from type I polysomnography

timeremp under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables

Conventionally, total sleep duration would be called total sleep time (TST).[100*(number of minutes scored as REM) / (total sleep time)] * 100

REM Sleep Latency: the interval between the first sleep epoch and REM sleep excluding wake

nsrr_ttldursp_s1sr under Harmonized/Polysomnography/Sleep Architecture in CHAT variables

Harmonized by the NSRR team. Source: :remlaiip:

REM Sleep Latency: the interval between the first sleep epoch and REM sleep including wake

nsrr_ttlprdsp_s1sr under Harmonized/Polysomnography/Sleep Architecture in CHAT variables

Harmonized by the NSRR team. Source: :remlaip:

Central Apnea Index (REM, Supine) : (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography

cardrba under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 2% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography

cardrba2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography

cardrba3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography

cardrba4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography

cardrba5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography

cardrbp under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of REM sleep in supine position from type I polysomnography

cardrbp2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 3% oxygen desaturation and with or without arousal) / hour of REM sleep in supine position from type I polysomnography

cardrbp3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of REM sleep in supine position from type I polysomnography

cardrbp4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Supine) : (Central apneas with >= 5% oxygen desaturation and with or without arousal) / hour of REM sleep in supine position from type I polysomnography

cardrbp5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardroa under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with >= 2% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardroa2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardroa3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardroa4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardroa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (REM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in non-supine position from type I polysomnography

cardrop under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.