cardnop2 - Search - Sleep Data - National Sleep Research Resource

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

cardnop2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (NREM): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography

cardnop2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SOF variables

Central Apnea Index (NREM): (Central apneas with >= 2% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography

cardnop2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Calculated - Summary metric of sleep disordered breathing events

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

cardnop2 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea Index (Non-Supine): (Central apneas with >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test

cai_po_ca2n_f1t3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in NUMOM2B variables

Calculated - Summary metric of sleep disordered breathing events.Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)