Name

pctlt80

Label

Percent of sleep time with less than 80% SaO2

Units
percent
Type
numeric
Visit vs Percent of sleep time with less than 80% SaO2
N Mean StdDev Median Min Max Unknown Total
Visit 5 730 0.4 ± 2.8 0.0 0.0 47.0 5 735
Age at time of visit vs Percent of sleep time with less than 80% SaO2
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 653 0.3 ± 2.4 0.0 0.0 47.0 5 658
5-14 yrs old 64 0.02 ± 0.1 0.0 0.0 1.0 - 64
15-24 yrs old 112 0.0009 ± 0.009 0.0 0.0 0.1 - 112
25-34 yrs old 62 0.2 ± 0.9 0.0 0.0 5.0 - 62
35-44 years 97 0.5 ± 2.4 0.0 0.0 18.0 1 98
45-54 years 144 0.4 ± 2.5 0.0 0.0 20.0 4 148
55-64 years 84 0.6 ± 5.1 0.0 0.0 47.0 - 84
65-74 years 57 0.2 ± 0.8 0.0 0.0 6.0 - 57
75-84 years 31 0.6 ± 2.5 0.0 0.0 14.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Sex vs Percent of sleep time with less than 80% SaO2
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 730 0.4 ± 2.8 0.0 0.0 47.0 5 735
Female 401 0.3 ± 2.8 0.0 0.0 47.0 5 406
Male 329 0.5 ± 2.9 0.0 0.0 40.0 - 329
Race vs Percent of sleep time with less than 80% SaO2
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 730 0.4 ± 2.8 0.0 0.0 47.0 5 735
White 301 0.3 ± 1.8 0.0 0.0 20.0 3 304
Black 407 0.5 ± 3.5 0.0 0.0 47.0 2 409
Other 22 0.0 ± 0.0 0.0 0.0 0.0 - 22