pctsa80 pctsa85
Name
pctsa80h
Label
Percentage of sleep time oxygen saturation is < 80%
Description

[(total time oxygen saturation is < 80%) / (total sleep time)] * 100

Units
percent
Type
numeric
Tags
hypoxemia hypoxia
Visit Number vs Percentage of sleep time oxygen saturation is < 80%
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.003 ± 0.03 0.0 0.0 0.5 - 453
Follow-up 407 0.02 ± 0.3 0.0 0.0 5.2 46 453
Age vs Percentage of sleep time oxygen saturation is < 80%
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.003 ± 0.03 0.0 0.0 0.5 - 453
5-7 yrs old 329 0.002 ± 0.01 0.0 0.0 0.2 - 329
8-10 yrs old 124 0.006 ± 0.05 0.0 0.0 0.5 - 124
Age vs Percentage of sleep time oxygen saturation is < 80%
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.02 ± 0.3 0.0 0.0 5.2 2 399
5-7 yrs old 260 0.03 ± 0.3 0.0 0.0 5.2 2 262
8-10 yrs old 137 0.009 ± 0.09 0.0 0.0 1.0 - 137
Gender vs Percentage of sleep time oxygen saturation is < 80%
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.003 ± 0.03 0.0 0.0 0.5 - 453
Female 234 0.001 ± 0.01 0.0 0.0 0.2 - 234
Male 219 0.004 ± 0.04 0.0 0.0 0.5 - 219
Gender vs Percentage of sleep time oxygen saturation is < 80%
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.02 ± 0.3 0.0 0.0 5.2 46 453
Female 209 0.03 ± 0.4 0.0 0.0 5.2 25 234
Male 198 0.01 ± 0.1 0.0 0.0 2.0 21 219
Race vs Percentage of sleep time oxygen saturation is < 80%
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.003 ± 0.03 0.0 0.0 0.5 - 453
Black 249 0.002 ± 0.02 0.0 0.0 0.2 - 249
White 156 0.0 ± 0.0 0.0 0.0 0.0 - 156
Other 48 0.01 ± 0.07 0.0 0.0 0.5 - 48
Race vs Percentage of sleep time oxygen saturation is < 80%
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.02 ± 0.3 0.0 0.0 5.2 46 453
Black 217 0.02 ± 0.2 0.0 0.0 2.0 32 249
White 147 0.04 ± 0.4 0.0 0.0 5.2 9 156
Other 43 0.0 ± 0.0 0.0 0.0 0.0 5 48