Name

cai0p

Label

Central Apnea Index - numer of [central apneas] per hour of sleep

Calculation
cai0p = 60 * ( carbp + carop + canbp + canop ) / slpprdp
Units
events per hour
Type
numeric
Visit vs Central Apnea Index - numer of [central apneas] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 5 722 0.5 ± 2.2 0.0 0.0 48.6 13 735
Age at time of visit vs Central Apnea Index - numer of [central apneas] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 645 0.5 ± 2.3 0.1 0.0 48.6 13 658
5-14 yrs old 63 0.3 ± 0.3 0.2 0.0 1.3 1 64
15-24 yrs old 111 0.2 ± 0.3 0.1 0.0 1.4 1 112
25-34 yrs old 62 0.6 ± 1.1 0.1 0.0 6.6 - 62
35-44 years 95 0.4 ± 1.9 0.0 0.0 18.4 3 98
45-54 years 143 0.4 ± 1.4 0.0 0.0 15.8 5 148
55-64 years 82 0.4 ± 1.1 0.0 0.0 7.8 2 84
65-74 years 56 0.7 ± 1.8 0.0 0.0 11.1 1 57
75-84 years 31 0.9 ± 1.8 0.2 0.0 7.3 - 31
85 years or older 2 25.7 ± 32.3 25.7 2.9 48.6 - 2
Sex vs Central Apnea Index - numer of [central apneas] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 722 0.5 ± 2.2 0.0 0.0 48.6 13 735
Female 400 0.2 ± 0.5 0.0 0.0 6.2 6 406
Male 322 0.8 ± 3.2 0.2 0.0 48.6 7 329
Race vs Central Apnea Index - numer of [central apneas] per hour of sleep
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 722 0.5 ± 2.2 0.0 0.0 48.6 13 735
White 297 0.7 ± 3.2 0.1 0.0 48.6 7 304
Black 403 0.3 ± 1.1 0.0 0.0 15.8 6 409
Other 22 0.2 ± 0.3 0.1 0.0 1.2 - 22