Name
losao2nr
Label
Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Description

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

Calculation
losao2nr = mnsao2nh
Units
percent
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,633 87.2 ± 5.5 88.0 11.0 97.0 171 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 86.2 ± 5.0 87.0 43.0 97.0 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,633 87.2 ± 5.5 88.0 11.0 97.0 171 5,804
35-44 years 335 88.4 ± 5.8 90.0 44.0 97.0 7 342
45-54 years 999 88.0 ± 5.7 89.0 11.0 97.0 18 1,017
55-64 years 1,732 87.4 ± 5.3 89.0 24.0 97.0 37 1,769
65-74 years 1,569 86.6 ± 5.5 88.0 24.0 95.0 48 1,617
75-84 years 905 86.4 ± 5.1 87.0 40.0 95.0 50 955
85 years or older 93 85.9 ± 6.0 87.0 61.0 96.0 11 104
Gender vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,633 87.2 ± 5.5 88.0 11.0 97.0 171 5,804
Male 2,686 86.2 ± 5.7 87.0 11.0 96.0 79 2,765
Female 2,947 88.1 ± 5.1 89.0 24.0 97.0 92 3,039
Gender vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 86.2 ± 5.0 87.0 43.0 97.0 1,429 4,080
Male 1,226 85.5 ± 5.0 87.0 49.0 97.0 635 1,861
Female 1,425 86.8 ± 4.9 88.0 43.0 97.0 794 2,219
Race vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,633 87.2 ± 5.5 88.0 11.0 97.0 171 5,804
White 4,776 87.1 ± 5.4 88.0 24.0 97.0 131 4,907
Black 477 87.2 ± 6.7 89.0 11.0 97.0 38 515
Other 380 88.1 ± 4.9 89.0 61.0 97.0 2 382
Race vs Minimum oxygen saturation (SaO2) in non-rapid eye movement (NREM) sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 86.2 ± 5.0 87.0 43.0 97.0 1,429 4,080
White 2,311 86.1 ± 5.1 87.0 43.0 97.0 1,276 3,587
Black 181 86.9 ± 4.2 87.0 70.0 95.0 75 256
Other 159 86.4 ± 5.0 88.0 70.0 95.0 78 237