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Hypopnea Index (REM, Non-Supine): (Hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of REM sleep in non-supine position from type II polysomnography

rdirop4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SOF variables

Calculated - Summary metric of sleep disordered breathing events

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 30% flow reduction and with >= 5% oxygen desaturation and with or without arousal) / hour of REM sleep in non-supine position from type II polysomnography

rdirop5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SOF variables

Calculated - Summary metric of sleep disordered breathing events

Arousal Index (REM, Supine): Number of arousals per hour of REM sleep in supine position from type II polysomnography

ahrembp under Sleep Monitoring/Polysomnography/Arousals in SOF variables

Arousal Index (REM, Non-supine): Number of arousals per hour of REM sleep in non-supine position from type II polysomnography

ahremop under Sleep Monitoring/Polysomnography/Arousals in SOF variables

Total Duration of Apneas and Hypopneas (REM, Supine): Apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used during REM sleep in supine position from type II polysomnography

ahrtdurbp under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in SOF variables

Total Duration of Apneas and Hypopneas (REM): Apneas with no oxygen desaturation threshold used and hypopneas with > 30% flow reduction and no oxygen desaturation threshold used during REM sleep from type II polysomnography

hrtdur under Sleep Monitoring/Polysomnography/Respiratory Event Lengths in SOF variables

Scored sleep/wake only?

slewaou under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables

Polysomnography (PSG) Quality Assessment: Wake/Sleep scoring unreliable

wakslepr under Sleep Monitoring/Polysomnography/Signal Quality in SOF variables

Scorer noted that there was a problem differentiating stage wake from stage sleep.

Total Sleep Duration (REM): the interval between sleep onset time and lights on/out-bed time while the participant is in REM sleep from type II polysomnography

minremp under Sleep Monitoring/Polysomnography/Sleep Architecture in SOF variables

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

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

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

nsrr_ttldursp_s1sr under Harmonized/Polysomnography/Sleep Architecture in SHHS 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 SHHS 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 II polysomnography

cardrba under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrba2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrba3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

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

Calculated - Summary metric of sleep disordered breathing events

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

cardrba5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrbp under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrbp2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrbp3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrbp4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardrbp5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardroa2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

cardroa3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 II polysomnography

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

Calculated - Summary metric of sleep disordered breathing events