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Childhood Adenotonsillectomy Trial

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  1. chat
  2. variables
  3. Sleep
  4. Polysomnography (PSG)
  5. Oxygen Saturation (SaO2)
Name Label Folder
avsao2nh
Average oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
Average oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avsao2rh
Average oxygen saturation (SaO2) during rapid eye movement sleep (REM)
Average oxygen saturation (SaO2) during rapid eye movement sleep (REM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
mnsao2nh
Minimum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
Minimum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
mnsao2rh
Minimum oxygen saturation (SaO2) during rapid eye movement sleep (REM)
Minimum oxygen saturation (SaO2) during rapid eye movement sleep (REM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
mxsao2nh
Maximum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM)
Maximum oxygen saturation (SaO2) during non-rapid eye movement sleep (NREM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
mxsao2rh
Maximum oxygen saturation (SaO2) during rapid eye movement sleep (REM)
Maximum oxygen saturation (SaO2) during rapid eye movement sleep (REM) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
ndes2ph
Number of desaturations with >=2% desaturation
Number of desaturations with >=2% desaturation Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
ndes3ph
Number of desaturation with >=3% desaturation
Number of desaturation with >=3% desaturation Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
ndes4ph
Number of desaturation with >=4% desaturation
Number of desaturation with >=4% desaturation Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
ndes5ph
Number of desaturation with >=5% desaturation
Number of desaturation with >=5% desaturation Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
odi
Oxygen Desaturation Index >=3%
Oxygen Desaturation Index >=3% Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
odi3
Oxygen Desaturation Index at >=3% (during sleep time)
Oxygen Desaturation Index at >=3% (during sleep time) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
odi4
Oxygen Desaturation Index at >=4% (during sleep time)
Oxygen Desaturation Index at >=4% (during sleep time) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctle80
Percentage of time <= 80% oxygen saturation (SaO2)
Percentage of time <= 80% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) <= 80) / (Total Sleep Time (TST))].

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctle85
Percentage of time <= 85% oxygen saturation (SaO2)
Percentage of time <= 85% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) <= 85) / (Total Sleep Time (TST))].

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctle90
Percentage of time <= 90% oxygen saturation (SaO2)
Percentage of time <= 90% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) <= 90) / (Total Sleep Time (TST))].

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctle92
Percentage of time <= 92% oxygen saturation (SaO2)
Percentage of time <= 92% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) <= 92) / (Total Sleep Time (TST))].

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctlt85
Percentage of time < 85% oxygen saturation (SaO2)
Percentage of time < 85% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) < 85) / (Total Sleep Time (TST))].

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctlt90
Percentage of time < 90% oxygen saturation (SaO2)
Percentage of time < 90% oxygen saturation (SaO2)

[100*(total number of minutes with oxygen saturation (SaO2) < 90) / (Total Sleep Time (TST))].

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa75
Percentage of sleep time oxygen saturation (SaO2) is <= 75%
Percentage of sleep time oxygen saturation (SaO2) is <= 75%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa80
Percentage of sleep time oxygen saturation (SaO2) is <= 80%
Percentage of sleep time oxygen saturation (SaO2) is <= 80%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa80h
Percentage of sleep time oxygen saturation (SaO2) is < 80%
Percentage of sleep time oxygen saturation (SaO2) is < 80%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa85
Percentage of sleep time oxygen saturation (SaO2) is <= 85%
Percentage of sleep time oxygen saturation (SaO2) is <= 85%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa85h
Percentage of sleep time oxygen saturation (SaO2) is < 85%
Percentage of sleep time oxygen saturation (SaO2) is < 85%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa90
Percentage of sleep time oxygen saturation (SaO2) is <= 90%
Percentage of sleep time oxygen saturation (SaO2) is <= 90%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa90h
Percentage of sleep time oxygen saturation (SaO2) is < 90%
Percentage of sleep time oxygen saturation (SaO2) is < 90%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa92
Percentage of sleep time oxygen saturation (SaO2) is <= 92%
Percentage of sleep time oxygen saturation (SaO2) is <= 92%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa95
Percentage of sleep time oxygen saturation (SaO2) is <= 95%
Percentage of sleep time oxygen saturation (SaO2) is <= 95%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
pctsa95h
Percentage of sleep time oxygen saturation (SaO2) is < 95%
Percentage of sleep time oxygen saturation (SaO2) is < 95%

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
sao2nrem
Average oxygen saturation (SaO2) non-rapid eye movement sleep (NREM)
Average oxygen saturation (SaO2) non-rapid eye movement sleep (NREM)

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
sao2rem
Average oxygen saturation (SaO2) rapid eye movement sleep (REM)
Average oxygen saturation (SaO2) rapid eye movement sleep (REM)

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnba
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnba2
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnba3
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnba4
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnba5
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnbp
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, all desaturations)
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnbp2
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=2% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnbp3
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=3% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnbp4
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnbp5
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Supine, >=5% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnoa
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnoa2
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnoa3
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnoa4
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnoa5
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)
Average desaturation with arousals (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnop
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, all desaturations)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnop2
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnop3
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=3% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnop4
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=4% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdnop5
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)
Average desaturation (Non-rapid eye movement sleep (NREM), Non-supine, >=5% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrba
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, all desaturations)
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrba2
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=2% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrba3
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=3% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=3% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrba4
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=4% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrba5
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=5% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Supine, >=5% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrbp
Average desaturation (Rapid eye movement sleep (REM), Supine, all desaturations)
Average desaturation (Rapid eye movement sleep (REM), Supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrbp2
Average desaturation (Rapid eye movement sleep (REM), Supine, >=2% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrbp3
Average desaturation (Rapid eye movement sleep (REM), Supine, >=3% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Supine, >=3% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrbp4
Average desaturation (Rapid eye movement sleep (REM), Supine, >=4% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrbp5
Average desaturation (Rapid eye movement sleep (REM), Supine, >=5% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Supine, >=5% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdroa
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations)
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdroa2
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdroa3
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdroa4
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=4% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=4% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdroa5
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=5% desaturation)
Average desaturation with arousals (Rapid eye movement sleep (REM), Non-supine, >=5% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrop
Average desaturation (Rapid eye movement sleep (REM), Non-supine, all desaturations)
Average desaturation (Rapid eye movement sleep (REM), Non-supine, all desaturations)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrop2
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=2% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrop3
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=3% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrop4
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=4% desaturation)

Average respiratory related desaturation

Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avdrop5
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=5% desaturation)
Average desaturation (Rapid eye movement sleep (REM), Non-supine, >=5% desaturation)

Average respiratory related desaturation

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgdsevent
Average desaturation (associated with manually scored respiratory events)
Average desaturation (associated with manually scored respiratory events) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgdsresp
Average desaturation associated with respiratory events in sleep
Average desaturation associated with respiratory events in sleep Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgdsslp
Average desaturation (Report Time)
Average desaturation (Report Time)

entire recording

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgsaominnr
Average oxygen saturation (SaO2) minimum (Non-rapid eye movement sleep (NREM))
Average oxygen saturation (SaO2) minimum (Non-rapid eye movement sleep (NREM)) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgsaominr
Average oxygen saturation (SaO2) (Rapid eye movement sleep (REM))
Average oxygen saturation (SaO2) (Rapid eye movement sleep (REM)) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgsaominrpt
Average oxygen saturation (SaO2) minimum (Report time)
Average oxygen saturation (SaO2) minimum (Report time)

entire recording

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgsaominslp
Average oxygen saturation (SaO2) minimum (Sleep time)
Average oxygen saturation (SaO2) minimum (Sleep time) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
avgsat
Average oxygen saturation (SaO2) in sleep
Average oxygen saturation (SaO2) in sleep

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
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/Polysomnography (PSG)/Oxygen Saturation (SaO2)
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/Polysomnography (PSG)/Oxygen Saturation (SaO2)
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/Polysomnography (PSG)/Oxygen Saturation (SaO2)
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/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsnr2
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 2%)
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 2%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsnr3
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 3%)
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 3%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsnr4
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 4%)
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 4%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsnr5
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 5%)
Number of desaturations per hour (Non-rapid eye movement sleep (NREM), >= 5%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsrem2
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 2%)
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 2%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsrem3
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%)
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 3%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsrem4
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 4%)
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 4%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dsrem5
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 5%)
Number of desaturations per hour (Rapid eye movement sleep (REM), >= 5%) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
dssao90
Number of desaturations with oxygen saturation (SaO2) drops below 90% in sleep
Number of desaturations with oxygen saturation (SaO2) drops below 90% in sleep Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lgminsat
LOG minimum O2 sats
LOG minimum O2 sats

Original source: MS 003

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lgminsat_0
LOG minimum O2 sats (0 replaced with 0.0001)
LOG minimum O2 sats (0 replaced with 0.0001)

Original source: MS 003

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lgpctsa90h
LOG % of Total Sleep Time (TST) with oxygen saturation (SaO2)<90%
LOG % of Total Sleep Time (TST) with oxygen saturation (SaO2)<90%

Original source: MS 003

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lgpctsa90h_0
LOG % of Total Sleep Time (TST) with oxygen saturation (SaO2)<90% (0 replaced with 0.0001)
LOG % of Total Sleep Time (TST) with oxygen saturation (SaO2)<90% (0 replaced with 0.0001)

Original source: MS 003

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
losao2nr
Minimum oxygen saturation (SaO2) in non-rapid eye movement sleep (NREM)
Minimum oxygen saturation (SaO2) in non-rapid eye movement sleep (NREM)

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/Polysomnography (PSG)/Oxygen Saturation (SaO2)
losao2r
Minimum oxygen saturation (SaO2) Rapid eye movement sleep (REM)
Minimum oxygen saturation (SaO2) Rapid eye movement sleep (REM)

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

 		Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lowsaonr
Minimum oxygen saturation (SaO2) (Non-rapid eye movement sleep (NREM))
Minimum oxygen saturation (SaO2) (Non-rapid eye movement sleep (NREM)) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
lowsaor
Minimum oxygen saturation (SaO2) (Rapid eye movement sleep (REM))
Minimum oxygen saturation (SaO2) (Rapid eye movement sleep (REM)) Sleep/Polysomnography (PSG)/Oxygen Saturation (SaO2)
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