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Obstructive Apnea Hypopnea Index (NREM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
oahi4_nrem5
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
MESA variables
Calculated - Summary metric of sleep disordered breathing events
Obstructive Apnea Hypopnea Index (Non-Supine): (Obstructive apneas with no oxygen desaturation threshold used 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
oahi4_nsup5
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
MESA variables
Calculated - Summary metric of sleep disordered breathing events
Obstructive Apnea Hypopnea Index (REM): (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of REM sleep from type II polysomnography
oahi4_rem5
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
MESA variables
Calculated - Summary metric of sleep disordered breathing events
Obstructive Apnea Hypopnea Index (Supine): (Obstructive apneas with no oxygen desaturation threshold used 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
oahi4_sup5
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
MESA variables
Calculated - Summary metric of sleep disordered breathing events
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
ahi_o0h4
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CHAT variables
Calculated - Summary metric of sleep disordered breathing events.
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