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Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
ahi_ap0uhp3x3u_f1t1
under Sleep Monitoring/Polysomnography in
ABC variables
Calculated - Summary metric of sleep disordered breathing events.
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
nsrr_ahi_hp3u
under Harmonized/Polysomnography/Apnea-Hypopnea Indices in
ABC variables
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: :ahi_ap0uhp3x3u_f1t1:
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
nsrr_ahi_hp3u
under Harmonized/Polysomnography/Apnea-Hypopnea Indices in
CFS variables
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: :ahi_a0h3: at Visit 5
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
nsrr_ahi_hp3u
under Harmonized/Polysomnography/Apnea-Hypopnea Indices in
CCSHS variables
Harmonized by the NSRR team. Refer to the source for detailed definition for respiratory events: :ahi_a0h3: at Visit 3
Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
ahi_a0h3
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
ahi_a0h3
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CCSHS variables
Calculated - Summary metric of sleep disordered breathing events.
Apnea-Hypopnea Index : (All apneas + hypopneas with >= 3% oxygen desaturation) / hour of sleep
nsrr_ahi_hp3u
under Harmonized/Polysomnography/Apnea-Hypopnea Indices in
MSP variables
Harmonized by the NSRR team. Refer to the source for detailed definitions of respiratory events: :ahi2:
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
ahi2
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
MSP variables
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of NREM sleep from type I polysomnography
rdinr3p
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CFS variables
Calculated - Summary metric of sleep disordered breathing events during NREM sleep
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of REM sleep from type I polysomnography
rdirem3p
under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in
CFS variables
Calculated - Summary metric of sleep disordered breathing events during REM sleep
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with discernible flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of NREM sleep from type I polysomnography
nremahi
under Sleep Monitoring/Polysomnography in
WSC variables
Calculated - Summary metric of sleep disordered breathing events during NREM sleep
Apnea-Hypopnea Index (REM): (Apneas with no oxygen desaturation threshold used and with or without arousal and hypopneas with discernible flow reduction and with >= 3% oxygen desaturation and with or without arousal)/ hours of REM sleep from type I polysomnography
remahi
under Sleep Monitoring/Polysomnography in
WSC variables
Calculated - Summary metric of sleep disordered breathing events during REM sleep
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