Related Variables

rdi0ps Apnea-Hypopnea Index (Supine) : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep in supine position from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
rdi2ps Apnea-Hypopnea Index (Supine): (Apneaswith >= 2% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
rdi3ps Apnea-Hypopnea Index (Supine): (Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
rdi4ps Apnea-Hypopnea Index (Supine): (Apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
rdi5ps Apnea-Hypopnea Index (Supine): (Apneas with >= 5% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 5% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type I polysomnography

Calculated - Summary metric of sleep disordered breathing events.

Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
position Sleep Diary: position slept in most during study Sleep Monitoring/Polysomnography/Evening and Morning Survey
supinep Percentage duration of sleep in supine position from type I polysomnography Sleep Monitoring/Polysomnography/Sleep Architecture