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Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography
canoa4
under Sleep Monitoring/Polysomnography/Respiratory Event Counts in
CFS variables
Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation threshold used or with arousal from type II polysomnography
canoa4
under Sleep Monitoring/Polysomnography/Respiratory Event Counts in
SOF variables
Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation threshold used or with arousal from type II polysomnography
canoa4
under Sleep Monitoring/Polysomnography/Respiratory Event Counts in
SHHS variables
Total number of central apnea in NREM sleep in non-supine position: Central apneas with >= 4% oxygen desaturation or with arousal from type I polysomnography
canoa4
under Sleep Monitoring/Polysomnography/Respiratory Event Counts in
CHAT variables
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 II polysomnography
cai4pa
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 or with arousal+ hypopneas with > 30% flow reduction and >=4% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
rdi4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
SOF 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 II polysomnography
cai4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
SHHS variables
Calculated - Summary metric of sleep disordered breathing events
Apnea-Hypopnea Index: Apneas with >=4% oxygen desaturation or with arousal+ hypopneas with > 30% flow reduction and >=4% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
rdi4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
SHHS 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)]
Apnea-Hypopnea Index: (Apneas with >= 4% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
rdim4pa
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CHAT variables
[(total number of apneas and hypopneas with >= 3% desaturation or arousal) / (hours of sleep)]
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