Name
rdi0p
Label
Apnea-Hypopnea Index : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
rdi0p = 60 * ( hrembp + hrop + hnrbp + hnrop + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Visit vs Apnea-Hypopnea Index : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 20.4 ± 22.5 12.1 0.0 138.0 3 735
Participant's age (category) vs Apnea-Hypopnea Index : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 20.4 ± 22.3 12.1 0.0 138.0 3 658
5-14 yrs old 64 4.8 ± 6.9 2.8 0.0 39.1 - 64
15-24 yrs old 112 9.2 ± 8.2 7.5 0.0 53.1 - 112
25-34 yrs old 62 20.0 ± 25.9 9.2 1.1 138.0 - 62
35-44 years 97 23.9 ± 25.3 13.2 1.0 125.7 1 98
45-54 years 146 23.2 ± 23.5 14.6 1.4 110.6 2 148
55-64 years 84 25.6 ± 22.1 19.3 0.6 104.7 - 84
65-74 years 57 30.7 ± 21.3 28.4 3.5 81.8 - 57
75-84 years 31 34.2 ± 25.0 27.0 3.2 101.1 - 31
85 years or older 2 51.0 ± 8.6 51.0 44.9 57.1 - 2
Participant's sex vs Apnea-Hypopnea Index : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 20.4 ± 22.5 12.1 0.0 138.0 3 735
Female 403 16.3 ± 18.3 10.1 0.0 110.6 3 406
Male 329 25.5 ± 25.9 15.1 0.9 138.0 - 329
Participant's race vs Apnea-Hypopnea Index : Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and with no oxygen desaturation used and with or without arousal / hour of sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 20.4 ± 22.5 12.1 0.0 138.0 3 735
White 302 21.1 ± 21.6 12.8 0.0 125.7 2 304
Black 408 20.5 ± 23.5 11.6 0.0 138.0 1 409
More than one race 22 8.9 ± 9.9 6.3 0.6 45.9 - 22