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Central Apnea Index : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
cai4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Central Apnea Index : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
cai4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CHAT variables
[(Total number of central apneas with >= 4% desaturation or arousal) / (hours of sleep)]
Central Apnea Index (NREM, Supine) : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type I polysomnography
cardnba4
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 >= 4% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
cardnoa4
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 >= 4% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
cardrba4
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 >= 4% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography
cardroa4
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 >= 4% oxygen desaturation or with arousal) / hour of NREM sleep in non-supine position from type I polysomnography
cardnoa4
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 >= 4% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
cardrba4
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 >= 4% oxygen desaturation or with arousal) / hour of REM sleep in non-supine position from type I polysomnography
cardroa4
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CHAT variables
Calculated - Summary metric of sleep disordered breathing events.
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