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Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
cai_ca0u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
cai0p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables
[(Total number of central apneas associated with all desaturations) / (hours of sleep)]. Will be missing if Total Sleep Time (TST) is 0.
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep
nsrr_cai under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables
Harmonized by the NSRR team. Source: :canbp: :canop: :carbp: :carop: :slpprdp:
Central Apnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
cai0p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography
caindextstpsg under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in APPLES variables
Central Apnea Index (NREM, Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
cardnbp under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index (NREM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
cardnop under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS 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 I polysomnography
cardrbp under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index (REM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in non-supine position from type I polysomnography
cardrop under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index (NREM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
cardnop under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT 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 I polysomnography
cardrbp under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index (REM, Non-Supine) : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in non-supine position from type I polysomnography
cardrop under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables
Calculated - Summary metric of sleep disordered breathing events.
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