Name
pctlt80
Label
Calculated - percent time < 80% desaturation
Description

Percent of sleep time with oxygen saturation < 80% [100*(Total Number of minutes with oxygen saturation < 80) / (total sleep time)]

Units
percent
Type
numeric
Visit vs Calculated - percent time < 80% desaturation
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 TREC visit vs Calculated - percent time < 80% desaturation
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 0.01 ± 0.2 0.0 0.0 5.0 2 517
16.1 to 17.4 years 130 0.0 ± 0.0 0.0 0.0 0.0 - 130
17.4 to 17.7 years 128 0.0 ± 0.0 0.0 0.0 0.0 1 129
17.7 to 17.9 years 129 0.0 ± 0.0 0.0 0.0 0.0 - 129
17.9 to 19.6 years 128 0.04 ± 0.4 0.0 0.0 5.0 1 129
Male Gender vs Calculated - percent time < 80% desaturation
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 Calculated - percent time < 80% desaturation
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