Name
losao2r
Label
Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Description

The minimum of all oxygen saturation values in epochs scored as stage REM.

Calculation
losao2r = mnsao2rh
Units
percent
Type
numeric
Tags
Sleep Heart Health Study (SHHS) Visit Number vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,608 86.9 ± 6.2 88.0 11.0 98.0 196 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,609 85.5 ± 5.9 87.0 48.0 97.0 1,471 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,608 86.9 ± 6.2 88.0 11.0 98.0 196 5,804
35-44 years 334 88.8 ± 6.5 91.0 51.0 98.0 8 342
45-54 years 989 87.9 ± 6.5 89.0 11.0 97.0 28 1,017
55-64 years 1,729 86.9 ± 6.2 88.0 35.0 98.0 40 1,769
65-74 years 1,563 86.2 ± 5.9 88.0 40.0 97.0 54 1,617
75-84 years 901 86.4 ± 5.6 87.0 57.0 96.0 54 955
85 years or older 92 85.3 ± 6.6 86.5 63.0 95.0 12 104
Gender vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,608 86.9 ± 6.2 88.0 11.0 98.0 196 5,804
Male 2,675 86.0 ± 6.4 87.0 11.0 98.0 90 2,765
Female 2,933 87.7 ± 5.8 89.0 40.0 98.0 106 3,039
Gender vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,609 85.5 ± 5.9 87.0 48.0 97.0 1,471 4,080
Male 1,198 85.0 ± 5.9 86.0 48.0 97.0 663 1,861
Female 1,411 85.9 ± 5.9 87.0 54.0 97.0 808 2,219
Race vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,608 86.9 ± 6.2 88.0 11.0 98.0 196 5,804
White 4,760 86.9 ± 6.0 88.0 35.0 98.0 147 4,907
Black 468 86.8 ± 7.6 88.0 11.0 98.0 47 515
Other 380 87.4 ± 6.5 89.0 58.0 97.0 2 382
Race vs Minimum oxygen saturation (SaO2) in rapid eye movement sleep (REM)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,609 85.5 ± 5.9 87.0 48.0 97.0 1,471 4,080
White 2,279 85.4 ± 5.9 87.0 48.0 97.0 1,308 3,587
Black 171 85.7 ± 5.4 86.0 63.0 97.0 85 256
Other 159 85.9 ± 6.4 87.0 63.0 97.0 78 237