Name
avsao2nh
Label
Average oxygen saturation during NREM sleep from type II polysomnography
Description

The mean of all oxygen saturation (SaO2) values in epochs scored as stages other than rapid eye movement sleep (REM) (i.e., 1,2,3/4).

Units
percent
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Average oxygen saturation during NREM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 94.6 ± 2.0 94.8 73.6 100.0 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 94.2 ± 1.9 94.0 76.0 100.0 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Average oxygen saturation during NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 94.6 ± 2.0 94.8 73.6 100.0 - 5,804
35-44 years 342 95.5 ± 2.0 95.8 82.7 99.8 - 342
45-54 years 1,017 95.1 ± 1.9 95.3 79.2 99.8 - 1,017
55-64 years 1,769 94.7 ± 1.9 94.9 78.3 99.7 - 1,769
65-74 years 1,617 94.2 ± 2.0 94.3 73.6 100.0 - 1,617
75-84 years 955 94.2 ± 1.9 94.5 85.1 98.5 - 955
85 years or older 104 94.1 ± 2.0 94.3 86.6 97.8 - 104
Gender of the participant vs Average oxygen saturation during NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 94.6 ± 2.0 94.8 73.6 100.0 - 5,804
Male 2,765 94.2 ± 2.0 94.4 78.3 100.0 - 2,765
Female 3,039 95.0 ± 1.9 95.2 73.6 99.7 - 3,039
Gender of the participant vs Average oxygen saturation during NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 94.2 ± 1.9 94.0 76.0 100.0 1,429 4,080
Male 1,226 93.8 ± 1.8 94.0 83.0 100.0 635 1,861
Female 1,425 94.5 ± 2.0 95.0 76.0 99.0 794 2,219
Race of the participant vs Average oxygen saturation during NREM sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 94.6 ± 2.0 94.8 73.6 100.0 - 5,804
White 4,907 94.4 ± 1.9 94.6 73.6 100.0 - 4,907
Black 515 95.3 ± 2.1 95.6 81.2 99.3 - 515
Other 382 95.4 ± 1.8 95.7 88.8 98.6 - 382
Race of the participant vs Average oxygen saturation during NREM sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 94.2 ± 1.9 94.0 76.0 100.0 1,429 4,080
White 2,311 94.0 ± 1.9 94.0 76.0 100.0 1,276 3,587
Black 181 94.9 ± 1.8 95.0 89.0 99.0 75 256
Other 159 95.2 ± 1.9 95.0 86.0 99.0 78 237