apnea - Search - Sleep Data - National Sleep Research Resource

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

rdiroa3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

rdiroa4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography

rdiroa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in non-supine position from type I polysomnography

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

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography

rdirop2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography

rdirop3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography

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

Calculated - Summary metric of sleep disordered breathing events.

Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography

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

Calculated - Summary metric of sleep disordered breathing events.

Scoring Apnea/Hypopnea unreliable

apnhyppr under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

1=Apnea/Hypopnea distinction unreliable (when airflow signal is artifactual or absent for over 20 % of scored respiratory events)

Hypopnea Index (NREM, Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type II polysomnography

hunrbp5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (NREM, Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography

hunrbpa35 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (NREM, Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used or with arousal) / hour of NREM sleep in supine position from type II polysomnography

hunrbpa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type II polysomnography

hunrop5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type II polysomnography

hunropa35 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (NREM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used or with arousal) / hour of NREM sleep in non-supine position from type II polysomnography

hunropa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal) / hour of REM sleep in supine position from type II polysomnography

hurbp25 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type II polysomnography

hurbp5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type II polysomnography

hurbpa35 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used or with arousal) / hour of REM sleep in supine position from type II polysomnography

hurbpa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in non-supine position from type II polysomnography

hurop5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and >= 3%oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type II polysomnography

huropa35 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Hypopnea Index (REM, Non-Supine): (Hypopneas with > 50% flow reduction and no oxygen desaturation threshold used or with arousal) / hour of REM sleep in non-supine position from type II polysomnography

huropa5 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Scoring Apnea/Hypopnea Unreliable from type II polysomnography

apnhyppr5 under Sleep Monitoring/Polysomnography/Signal Quality in MESA variables