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Calculated - RDI (>= 3% desaturation)
psg_rdim3p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in PATS variables
missing if total sleep time is 1
Apnea-Hypopnea Index (Non-Supine): (Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep in non-supine position from type I polysomnography
rdi3pns under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Apnea-Hypopnea Index (Supine): (Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep in supine position from type I polysomnography
rdi3ps under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables
Calculated - Summary metric of sleep disordered breathing events.
Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation 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
rdi3p under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
[(total number of apneas and hypopneas associated with >= 3% oxygen desaturation) / (hours of sleep)]
Calculated - RDI in non-supine body position (>= 3% desaturation)
psg_rdim3pns under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in PATS variables
missing if studies with problems scoring REM/NREM or if studies scored as sleep/wake or REM sleep time is 1
Calculated - RDI in supine body position (>= 3% desaturation)
psg_rdim3ps under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in PATS variables
missing if sleep time in supine position is 0 or if position sensore was not working or if studies scored as sleep/wake
Calculated - RDI in NREM sleep (>= 3% desaturation)
psg_rdimnr3p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in PATS variables
missing if studies with problems scoring REM/NREM or if studies scored as sleep/wake or NREM sleep time is 1
Calculated - RDI in REM sleep (>= 3% desaturation)
psg_rdimrem3p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in PATS variables
missing if studies with problems scoring REM/NREM or if studies scored as sleep/wake or NREM sleep time is 1
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