ahi_ap4uhp3x4u_f1t2 - Search - Sleep Data - National Sleep Research Resource - NSRR

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Apnea-Hypopnea Index: 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 from type II polysomnography

pordi4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MROS variables

Overall RDI at 4% desaturation

Apnea-Hypopnea Index: 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 from type II polysomnography

rdi4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SOF variables

Calculated - Summary metric of sleep disordered breathing events

Apnea-Hypopnea Index: 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 from type II polysomnography

rdi4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Ratio of the count of all apneas (central and obstructive) and hypopneas associated with at least a >=4% oxygen desaturation to the total sleep time

Apnea-Hypopnea Index (Non-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 non-supine position from type II polysomnography

rdi4pns under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Calculated - Summary metric of sleep disordered breathing events

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 II polysomnography

rdi4ps under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Calculated - Summary metric of sleep disordered breathing events

Apnea-Hypopnea Index (NREM): Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal / hour of NREM sleep from type II polysomnography

rdinr4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Calculated - Summary metric of sleep disordered breathing events

Apnea-Hypopnea Index (REM): Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and with >= 4% oxygen desaturation and with or without arousal / hour of REM sleep from type II polysomnography

rdirem4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Calculated - Summary metric of sleep disordered breathing events