saturation - Search - Sleep Data - National Sleep Research Resource

Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 4% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation and with or without arousal from type I polysomnography

avdrop4 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 5% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation and with or without arousal from type I polysomnography

avdrop5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Average oxygen desaturation: Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with no oxygen desaturation used and with or without arousal from type I polysomnography

avgdsevent under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Average oxygen desaturation from type I polysomnography

avgdsslp under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Average desaturation (entire recording)

Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 3%) change between baseline and follow-up

chg_dsnr3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%) change between baseline and follow-up

chg_dsrem3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 2% from type I polysomnography

dsnr2 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 3% from type I polysomnography

dsnr3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 4% from type I polysomnography

dsnr4 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 5% from type I polysomnography

dsnr5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 2% from type I polysomnography

dsrem2 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 3% from type I polysomnography

dsrem3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 4% from type I polysomnography

dsrem4 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 5% from type I polysomnography

dsrem5 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Minimum nadirs: Central apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography

minsaondcaslp under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Minimum nadirs in NREM sleep from type I polysomnography

minsaondnrem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Minimum nadirs: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography

minsaondoaslp under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Minimum nadirs in REM sleep from type I polysomnography

minsaondrem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Total number of oxygen desaturation with oxygen desaturation >= 2% from type I polysomnography

ndes2ph under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Total number of oxygen desaturation with oxygen desaturation >= 3% from type I polysomnography

ndes3ph under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Total number of oxygen desaturation with oxygen desaturation >= 4% from type I polysomnography

ndes4ph under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Total number of oxygen desaturation with oxygen desaturation >= 5% from type I polysomnography

ndes5ph under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Oxygen Desaturation Index: Oxygen desaturation with >= 3% desat per hour of sleep from type I polysomnography

odi3 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Oxygen Desaturation Index: Oxygen desaturation with >= 4% desat per hour of sleep from type I polysomnography

odi4 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables

Urgent referral - oxygen saturation (SaO2) <90% >2% sleep time = 1 urgent ineligible

sa02lt90 under Sleep Monitoring/Polysomnography/Signal Quality in CHAT variables

*Note studies that have oximetry problems here