Name
pctlt80
Label
Percent of sleep time with less than 80% oxygen saturation (SaO2)
Units
percent
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,797 0.2 ± 2.3 0.0 0.0 99.4 7 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,648 0.2 ± 2.1 0.0 0.0 98.0 1,432 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,797 0.2 ± 2.3 0.0 0.0 99.4 7 5,804
35-44 years 341 0.2 ± 2.0 0.0 0.0 33.4 1 342
45-54 years 1,017 0.2 ± 2.5 0.0 0.0 55.0 - 1,017
55-64 years 1,768 0.2 ± 2.2 0.0 0.0 66.3 1 1,769
65-74 years 1,615 0.2 ± 2.8 0.0 0.0 99.4 2 1,617
75-84 years 953 0.1 ± 0.7 0.0 0.0 13.9 2 955
85 years or older 103 0.2 ± 0.9 0.0 0.0 8.2 1 104
Gender vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,797 0.2 ± 2.3 0.0 0.0 99.4 7 5,804
Male 2,761 0.3 ± 2.6 0.0 0.0 66.3 4 2,765
Female 3,036 0.1 ± 2.0 0.0 0.0 99.4 3 3,039
Gender vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,648 0.2 ± 2.1 0.0 0.0 98.0 1,432 4,080
Male 1,226 0.1 ± 1.2 0.0 0.0 31.0 635 1,861
Female 1,422 0.2 ± 2.7 0.0 0.0 98.0 797 2,219
Race vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,797 0.2 ± 2.3 0.0 0.0 99.4 7 5,804
White 4,900 0.2 ± 2.4 0.0 0.0 99.4 7 4,907
Black 515 0.3 ± 2.2 0.0 0.0 38.5 - 515
Other 382 0.1 ± 0.8 0.0 0.0 9.0 - 382
Race vs Percent of sleep time with less than 80% oxygen saturation (SaO2)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,648 0.2 ± 2.1 0.0 0.0 98.0 1,432 4,080
White 2,308 0.2 ± 2.3 0.0 0.0 98.0 1,279 3,587
Black 181 0.05 ± 0.3 0.0 0.0 3.0 75 256
Other 159 0.1 ± 0.9 0.0 0.0 11.0 78 237