cardrop5 cent_obs_ratioa
Name
cent_obs_ratio
Label
Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
Calculation
cent_obs_ratio = (carbp + carop + canbp + canop) / (oarbp + oarop + oanbp + oanop)
Type
numeric
Tags
ratnumap_ca0u_oa0u_f1t2
Sleep Heart Health Study (SHHS) Visit Number vs Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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 Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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 of the participant vs Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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 of the participant vs Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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 of the participant vs Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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 of the participant vs Ratio of the number of central apneas with no oxygen desaturation threshold used and with or without arousal to the number of obstructive apneas with no oxygen desaturation threshold used and with or without arousal from type II polysomnography
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