Name

pctlt80

Label

Percent of sleep time <80% oxygen saturation (SaO2)

Description

Ratio of the number of minutes with oxygen saturation (SaO2) under 80% to the total sleep time expressed in hours.

Units
percent (%)
Type
numeric
Visit vs Percent of sleep time <80% oxygen saturation (SaO2)
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 515 0.01 ± 0.2 0.0 0.0 5.0 2 517
Age at time of visit vs Percent of sleep time <80% oxygen saturation (SaO2)
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 0.01 ± 0.2 0.0 0.0 5.0 2 517
16.14 to 17.41 years 130 0.0 ± 0.0 0.0 0.0 0.0 - 130
17.41 to 17.69 years 128 0.0 ± 0.0 0.0 0.0 0.0 1 129
17.69 to 17.91 years 129 0.04 ± 0.4 0.0 0.0 5.0 - 129
17.91 to 19.56 years 128 0.0 ± 0.0 0.0 0.0 0.0 1 129
Male gender vs Percent of sleep time <80% oxygen saturation (SaO2)
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 0.01 ± 0.2 0.0 0.0 5.0 2 517
No 255 0.0 ± 0.0 0.0 0.0 0.0 1 256
Yes 260 0.02 ± 0.3 0.0 0.0 5.0 1 261
Race vs Percent of sleep time <80% oxygen saturation (SaO2)
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 0.01 ± 0.2 0.0 0.0 5.0 2 517
White 307 0.02 ± 0.3 0.0 0.0 5.0 2 309
Black 185 0.0 ± 0.0 0.0 0.0 0.0 - 185
Other 23 0.0 ± 0.0 0.0 0.0 0.0 - 23