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Childhood Adenotonsillectomy Trial

Name Label Folder
avsao2nh
Average oxygen saturation in NREM sleep from type I polysomnography
Average oxygen saturation in NREM sleep from type I polysomnography

The mean of all oxygen saturation values in epochs scored as stages other than REM (i.e., 1,2,3/4).

Sleep Monitoring/Polysomnography/Oxygen Saturation
avsao2rh
Average oxygen saturation in REM sleep from type I polysomnography
Average oxygen saturation in REM sleep from type I polysomnography

The mean of all oxygen saturation values in epochs scored as stage REM.

Sleep Monitoring/Polysomnography/Oxygen Saturation
mnsao2nh
Minimum oxygen saturation in NREM sleep from type I polysomnography
Minimum oxygen saturation in NREM sleep from type I polysomnography

The minimum of all oxygen saturation values in epochs scored as stages other than REM (i.e., 1,2,3/4).

Sleep Monitoring/Polysomnography/Oxygen Saturation
mnsao2rh
Minimum oxygen saturation in REM sleep from type I polysomnography
Minimum oxygen saturation in REM sleep from type I polysomnography

The minimum of all oxygen saturation values in epochs scored as stage REM.

Sleep Monitoring/Polysomnography/Oxygen Saturation
mxsao2nh
Maximum oxygen saturation in NREM sleep from type I polysomnography
Maximum oxygen saturation in NREM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mxsao2rh
Maximum oxygen saturation in REM sleep from type I polysomnography
Maximum oxygen saturation in REM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
ndes2ph
Total number of oxygen desaturation with oxygen desaturation >= 2% from type I polysomnography
Total number of oxygen desaturation with oxygen desaturation >= 2% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
ndes3ph
Total number of oxygen desaturation with oxygen desaturation >= 3% from type I polysomnography
Total number of oxygen desaturation with oxygen desaturation >= 3% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
ndes4ph
Total number of oxygen desaturation with oxygen desaturation >= 4% from type I polysomnography
Total number of oxygen desaturation with oxygen desaturation >= 4% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
ndes5ph
Total number of oxygen desaturation with oxygen desaturation >= 5% from type I polysomnography
Total number of oxygen desaturation with oxygen desaturation >= 5% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
odi3
Oxygen Desaturation Index: Oxygen desaturation with >= 3% desat per hour of sleep from type I polysomnography
Oxygen Desaturation Index: Oxygen desaturation with >= 3% desat per hour of sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
odi4
Oxygen Desaturation Index: Oxygen desaturation with >= 4% desat per hour of sleep from type I polysomnography
Oxygen Desaturation Index: Oxygen desaturation with >= 4% desat per hour of sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa75
Percentage duration of sleep with oxygen saturation <= 75% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 75% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 75%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa80
Percentage duration of sleep with oxygen saturation <= 80% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 80% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 80%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa80h
Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography
Percentage duration of sleep with oxygen saturation < 80% from type I polysomnography

[(total time oxygen saturation (SaO2) is < 80%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa85
Percentage duration of sleep with oxygen saturation <= 85% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 85% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 85%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa85h
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography
Percentage duration of sleep with oxygen saturation < 85% from type I polysomnography

[(total time oxygen saturation (SaO2) is < 85%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa90
Percentage duration of sleep with oxygen saturation <= 90% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 90% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 90%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa90h
Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography
Percent of the total sleep duration with oxygen saturation below 90% from type I polysomnography

Conventionally, total sleep duration would be called total sleep time (TST).

[(total time oxygen saturation (SaO2) is < 90%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa92
Percentage duration of sleep with oxygen saturation <= 92% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 92% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 92%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa95
Percentage duration of sleep with oxygen saturation <= 95% from type I polysomnography
Percentage duration of sleep with oxygen saturation <= 95% from type I polysomnography

[(total time oxygen saturation (SaO2) is <= 95%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
pctsa95h
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography
Percentage duration of sleep with oxygen saturation < 95% from type I polysomnography

[(total time oxygen saturation (SaO2) is < 95%) / (Total Sleep Time (TST))] * 100

Sleep Monitoring/Polysomnography/Oxygen Saturation
sao2nrem
Average oxygen saturation in NREM sleep from type I polysomnography
Average oxygen saturation in NREM sleep from type I polysomnography

[mean(all oxygen saturation (SaO2) values in non-rapid eye movement sleep (NREM))]. will be missing if study scored as sleep/wake only.

Sleep Monitoring/Polysomnography/Oxygen Saturation
sao2rem
Average oxygen saturation in REM sleep from type I polysomnography
Average oxygen saturation in REM sleep from type I polysomnography

[mean(all oxygen saturation (SaO2) values in rapid eye movement sleep (REM))]. will be missing if study scored as sleep/wake only.

Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnba
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in NREM sleep in supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in NREM sleep in supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnba2
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in NREM sleep in supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in NREM sleep in supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnba3
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in NREM sleep in supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in NREM sleep in supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnba4
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in NREM sleep in supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in NREM sleep in supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnba5
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in NREM sleep in supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in NREM sleep in supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnbp
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in NREM sleep in supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in NREM sleep in supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnbp2
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in NREM sleep in supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in NREM sleep in supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnbp3
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in NREM sleep in supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in NREM sleep in supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnbp4
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in NREM sleep in 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
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in NREM sleep in 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnbp5
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in NREM sleep in 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
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in NREM sleep in 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnoa
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in NREM sleep in non-supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in NREM sleep in non-supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnoa2
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in NREM sleep in non-supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in NREM sleep in non-supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnoa3
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in NREM sleep in non-supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in NREM sleep in non-supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnoa4
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in NREM sleep in non-supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in NREM sleep in non-supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnoa5
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in NREM sleep in non-supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in NREM sleep in non-supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnop
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in NREM sleep in non-supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in NREM sleep in non-supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnop2
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in NREM sleep in non-supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in NREM sleep in non-supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnop3
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in NREM sleep in non-supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in NREM sleep in non-supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnop4
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in NREM 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
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in NREM 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdnop5
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in NREM 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
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in NREM 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrba
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in REM sleep in supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in REM sleep in supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrba2
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in REM sleep in supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in REM sleep in supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrba3
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in REM sleep in supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in REM sleep in supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrba4
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in REM sleep in supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in REM sleep in supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrba5
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in REM sleep in supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in REM sleep in supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrbp
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in REM sleep in supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in REM sleep in supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrbp2
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in REM sleep in supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in REM sleep in supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrbp3
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in REM sleep in supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in REM sleep in supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrbp4
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in REM sleep in 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
Average oxygen desaturation for all respiratory events with >= 4% desat and with or without arousal in REM sleep in 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrbp5
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in REM sleep in 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
Average oxygen desaturation for all respiratory events with >= 5% desat and with or without arousal in REM sleep in 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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdroa
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in REM sleep in non-supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat or arousal in REM sleep in non-supine position: Apneas with no oxygen desaturation threshold used or with arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdroa2
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in REM sleep in non-supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat or arousal in REM sleep in non-supine position: Apneas with >= 2% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdroa3
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in REM sleep in non-supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat or arousal in REM sleep in non-supine position: Apneas with >= 3% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdroa4
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in REM sleep in non-supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 4% desat or arousal in REM sleep in non-supine position: Apneas with >= 4% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdroa5
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in REM sleep in non-supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 5% desat or arousal in REM sleep in non-supine position: Apneas with >= 5% oxygen desaturation or with arousal + hypopneas with > 50% flow reduction and >= 5% oxygen desaturation or arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrop
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in REM sleep in non-supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with > 0% desat and with or without arousal in REM sleep in non-supine position: Apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 50% flow reduction and > 0% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrop2
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 2% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 2% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 2% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrop3
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Average oxygen desaturation for all respiratory events with >= 3% desat and with or without arousal in REM sleep in non-supine position: Apneas with >= 3% oxygen desaturation and with or without arousal + hypopneas with > 50% flow reduction and >= 3% oxygen desaturation and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrop4
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
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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avdrop5
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
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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avgdsevent
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
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 Sleep Monitoring/Polysomnography/Oxygen Saturation
avgdsslp
Average oxygen desaturation from type I polysomnography
Average oxygen desaturation from type I polysomnography

Average desaturation (entire recording)

Sleep Monitoring/Polysomnography/Oxygen Saturation
avgsat
Average oxygen saturation in sleep from type I polysomnography
Average oxygen saturation in sleep from type I polysomnography

[Mean(all oxygen saturation (SaO2) values in sleep)]

Sleep Monitoring/Polysomnography/Oxygen Saturation
chg_dsnr3
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 3%) change between baseline and follow-up
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 3%) change between baseline and follow-up Sleep Monitoring/Polysomnography/Oxygen Saturation
chg_dsrem3
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%) change between baseline and follow-up
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%) change between baseline and follow-up Sleep Monitoring/Polysomnography/Oxygen Saturation
chg_pctsa90
Percentage of sleep time oxygen saturation (SaO2) is <= 90% change between baseline and follow-up
Percentage of sleep time oxygen saturation (SaO2) is <= 90% change between baseline and follow-up Sleep Monitoring/Polysomnography/Oxygen Saturation
chg_pctsa95
Percentage of sleep time oxygen saturation (SaO2) is <= 95% change between baseline and follow-up
Percentage of sleep time oxygen saturation (SaO2) is <= 95% change between baseline and follow-up Sleep Monitoring/Polysomnography/Oxygen Saturation
dsnr2
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 2% from type I polysomnography
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 2% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsnr3
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 3% from type I polysomnography
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 3% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsnr4
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 4% from type I polysomnography
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 4% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsnr5
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 5% from type I polysomnography
Number of oxygen desaturation per hour in NREM sleep with oxygen desaturation >= 5% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsrem2
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 2% from type I polysomnography
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 2% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsrem3
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 3% from type I polysomnography
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 3% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsrem4
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 4% from type I polysomnography
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 4% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dsrem5
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 5% from type I polysomnography
Number of oxygen desaturation per hour in REM sleep with oxygen desaturation >= 5% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
dssao90
Total number of oxygen desaturation with oxygen saturation < 90% from type I polysomnography
Total number of oxygen desaturation with oxygen saturation < 90% from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
losao2nr
Minimum oxygen saturation in NREM sleep from type I polysomnography
Minimum oxygen saturation in NREM sleep from type I polysomnography

Lowest oxygen saturation (SaO2) in non-rapid eye movement sleep (NREM) [minimum (all oxygen saturation (SaO2) values in non-rapid eye movement sleep (NREM))]

Sleep Monitoring/Polysomnography/Oxygen Saturation
losao2r
Minimum oxygen saturation in REM sleep from type I polysomnography
Minimum oxygen saturation in REM sleep from type I polysomnography

Lowest oxygen saturation (SaO2) in rapid eye movement sleep (REM) [minimum (all oxygen saturation (SaO2) values in rapid eye movement sleep (REM))]

Sleep Monitoring/Polysomnography/Oxygen Saturation
lowsaonr
Minimum oxygen saturation in NREM sleep from type I polysomnography
Minimum oxygen saturation in NREM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
lowsaor
Minimum oxygen saturation in REM sleep from type I polysomnography
Minimum oxygen saturation in REM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
lowsaoslp
Minimum oxygen saturation from type I polysomnography
Minimum oxygen saturation from type I polysomnography

Lowest oxygen saturation (SaO2) during sleep

Sleep Monitoring/Polysomnography/Oxygen Saturation
minsaondcaslp
Minimum nadirs: Central apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography
Minimum nadirs: Central apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
minsaondnrem
Minimum nadirs in NREM sleep from type I polysomnography
Minimum nadirs in NREM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
minsaondoaslp
Minimum nadirs: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography
Minimum nadirs: Obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
minsaondrem
Minimum nadirs in REM sleep from type I polysomnography
Minimum nadirs in REM sleep from type I polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
minsat
Minimum oxygen saturation from type I polysomnography
Minimum oxygen saturation from type I polysomnography

Lowest oxygen saturation (SaO2) during sleep [minimum (all oxygen saturation (SaO2) values in sleep)]

Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnba
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation > 0% from type III polysomnography
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation > 0% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnba2
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 2% from type III polysomnography
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 2% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnba3
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 3% from type III polysomnography
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 3% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnba4
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 4% from type III polysomnography
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 4% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnba5
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 5% from type III polysomnography
Minimum oxygen saturation in NREM sleep with arousal in supine position with oxygen desaturation >= 5% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnbp
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation > 0% from type III polysomnography
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation > 0% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnbp2
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 2% from type III polysomnography
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 2% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnbp3
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 3% from type III polysomnography
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 3% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnbp4
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 4% from type III polysomnography
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 4% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation
mndnbp5
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 5% from type III polysomnography
Minimum oxygen saturation in NREM sleep in supine position with oxygen desaturation >= 5% from type III polysomnography Sleep Monitoring/Polysomnography/Oxygen Saturation