Name

ahi_c0h3

Label

Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep

Calculation
ahi_c0h3 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + carbp + carop + canbp + canop + urbp3 + urop3 + unrbp3 + unrop3) / slpprdp
Units
events per hour
Type
numeric
Visit vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 9.7 ± 14.2 3.7 0.0 94.4 3 735
Age at time of visit vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 9.7 ± 14.1 3.8 0.0 94.2 3 658
5-14 yrs old 64 1.7 ± 3.9 0.7 0.0 26.2 - 64
15-24 yrs old 112 2.9 ± 4.9 1.2 0.0 36.8 - 112
25-34 yrs old 62 8.7 ± 15.6 2.7 0.0 94.2 - 62
35-44 years 97 12.7 ± 18.1 5.6 0.0 82.8 1 98
45-54 years 146 11.6 ± 14.1 6.1 0.0 90.2 2 148
55-64 years 84 11.7 ± 11.4 8.5 0.3 54.0 - 84
65-74 years 57 15.8 ± 15.6 10.5 0.0 62.0 - 57
75-84 years 31 16.5 ± 18.1 11.5 0.4 85.3 - 31
85 years or older 2 30.4 ± 29.2 30.4 9.8 51.1 - 2
Sex vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 9.7 ± 14.2 3.7 0.0 94.4 3 735
Female 403 7.7 ± 11.7 2.7 0.0 78.1 3 406
Male 329 12.2 ± 16.4 5.6 0.0 94.4 - 329
Race vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 9.7 ± 14.2 3.7 0.0 94.4 3 735
White 302 9.8 ± 14.4 3.6 0.0 94.4 2 304
Black 408 10.0 ± 14.3 4.2 0.0 90.2 1 409
Other 22 3.5 ± 8.0 1.2 0.1 37.9 - 22