Name
cent_obs_ratio
Label
Central/Obstructive Apnea ratio at all desaturations
Calculation
cent_obs_ratio = (carbp + carop + canbp + canop) / (oarbp + oarop + oanbp + oanop)
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Central/Obstructive Apnea ratio at all desaturations
N Mean StdDev Median Min Max Unknown Total
Visit 1 4,629 0.3 ± 1.3 0.0 0.0 50.0 1,175 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,003 0.5 ± 2.4 0.02 0.0 70.5 2,077 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Central/Obstructive Apnea ratio at all desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,629 0.3 ± 1.3 0.0 0.0 50.0 1,175 5,804
35-44 years 231 0.3 ± 0.7 0.0 0.0 5.0 111 342
45-54 years 763 0.3 ± 0.9 0.0 0.0 11.0 254 1,017
55-64 years 1,403 0.3 ± 1.0 0.0 0.0 26.0 366 1,769
65-74 years 1,339 0.3 ± 1.7 0.0 0.0 50.0 278 1,617
75-84 years 807 0.3 ± 1.4 0.0 0.0 27.3 148 955
85 years or older 86 0.07 ± 0.2 0.0 0.0 1.0 18 104
Gender vs Central/Obstructive Apnea ratio at all desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,629 0.3 ± 1.3 0.0 0.0 50.0 1,175 5,804
Male 2,343 0.3 ± 1.6 0.01 0.0 50.0 422 2,765
Female 2,286 0.2 ± 0.8 0.0 0.0 15.0 753 3,039
Gender vs Central/Obstructive Apnea ratio at all desaturations
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,003 0.5 ± 2.4 0.02 0.0 70.5 2,077 4,080
Male 995 0.8 ± 3.3 0.07 0.0 70.5 866 1,861
Female 1,008 0.3 ± 0.9 0.0 0.0 12.8 1,211 2,219
Race vs Central/Obstructive Apnea ratio at all desaturations
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,629 0.3 ± 1.3 0.0 0.0 50.0 1,175 5,804
White 3,929 0.3 ± 1.3 0.0 0.0 50.0 978 4,907
Black 404 0.3 ± 1.6 0.0 0.0 28.0 111 515
Other 296 0.3 ± 0.6 0.0 0.0 5.0 86 382
Race vs Central/Obstructive Apnea ratio at all desaturations
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,003 0.5 ± 2.4 0.02 0.0 70.5 2,077 4,080
White 1,750 0.6 ± 2.6 0.02 0.0 70.5 1,837 3,587
Black 142 0.4 ± 1.1 0.01 0.0 11.6 114 256
Other 111 0.4 ± 1.2 0.04 0.0 9.5 126 237