carop5 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
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 8 354 0.2 ± 0.7 0.0 0.0 7.0 107 461
Age (categorical) 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 8
N Mean StdDev Median Min Max Unknown Total
Total 351 0.2 ± 0.7 0.0 0.0 7.0 104 455
75-84 years 258 0.2 ± 0.6 0.0 0.0 7.0 67 325
85 years or older 93 0.2 ± 0.8 0.0 0.0 6.3 37 130
Gender 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 8
N Mean StdDev Median Min Max Unknown Total
Total 354 0.2 ± 0.7 0.0 0.0 7.0 107 461
Female 354 0.2 ± 0.7 0.0 0.0 7.0 107 461