We use cookies and other tools to enhance your experience on our website and to analyze our web traffic.
For more information about these cookies and the data collected, please refer to our Privacy Policy.

Search

Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography
pctlt80 under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
Ratio of the number of minutes with oxygen saturation (SaO2) under 80% to the total sleep time expressed in hours.
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography
pctlt85 under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
Ratio of the number of minutes with oxygen saturation (SaO2) under 85% to the total sleep time expressed in hours.
Percentage duration of sleep with oxygen saturation < 90% from type I polysomnography
pctlt90 under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
Ratio of the number of minutes with oxygen saturation (SaO2) under 90% to the total sleep time expressed in hours.
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography
pctlt95 under Sleep Monitoring/Polysomnography/Sleep Architecture in CCSHS variables
Ratio of the number of minutes with oxygen saturation (SaO2) under 95% to the total sleep time expressed in hours.
Average oxygen saturation in sleep from type I polysomnography
avgsat under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[Mean(all oxygen saturation (SaO2) values in sleep)]
Percentage of sleep time oxygen saturation (SaO2) is <= 90% change between baseline and follow-up
chg_pctsa90 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Percentage of sleep time oxygen saturation (SaO2) is <= 95% change between baseline and follow-up
chg_pctsa95 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Minimum oxygen saturation from type I polysomnography
lowsaoslp under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Lowest oxygen saturation (SaO2) during sleep
Percentage duration of sleep with oxygen saturation <= 70% from type I polysomnography
pctsa70 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 70%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation < 70% from type I polysomnography
pctsa70h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is < 70%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 75% from type I polysomnography
pctsa75 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 75%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation < 75% from type I polysomnography
pctsa75h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is < 75%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 80% from type I polysomnography
pctsa80 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 80%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography
pctsa80h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is < 80%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 85% from type I polysomnography
pctsa85 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 85%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography
pctsa85h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is < 85%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 90% from type I polysomnography
pctsa90 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 90%) / (Total Sleep Time (TST))] * 100
Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography
pctsa90h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Conventionally, total sleep duration would be called total sleep time (TST).[(total time oxygen saturation (SaO2) is < 90%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 92% from type I polysomnography
pctsa92 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 92%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation <= 95% from type I polysomnography
pctsa95 under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is <= 95%) / (Total Sleep Time (TST))] * 100
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography
pctsa95h under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[(total time oxygen saturation (SaO2) is < 95%) / (Total Sleep Time (TST))] * 100
Average oxygen saturation in NREM sleep from type I polysomnography
sao2nrem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[mean(all oxygen saturation (SaO2) values in non-rapid eye movement sleep (NREM))]. will be missing if study scored as sleep/wake only.
Average oxygen saturation in REM sleep from type I polysomnography
sao2rem under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
[mean(all oxygen saturation (SaO2) values in rapid eye movement sleep (REM))]. will be missing if study scored as sleep/wake only.
Total duration of wake time during sleep period with oxygen saturation < 90% from type I polysomnography
sao90awk under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Total time oxygen saturation (SaO2) < 90% in awake
Total duration of wake time during sleep period with oxygen saturation > 92% from type I polysomnography
sao92awk under Sleep Monitoring/Polysomnography/Oxygen Saturation in CHAT variables
Total time oxygen saturation (SaO2) > 92 in awake
© 2024
NSRR
National Sleep Research Resource
Privacy
Contact Us | Funded By NHLBI