Name
ahi_c0h3a
Label
Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Calculation
ahi_c0h3a = 60 * (hremba3 + hroa3 + hnrba3 + hnroa3 + carbp + carop + canbp + canop) / slpprdp
Units
events per hour (h)
Type
numeric
Tags
Visit Number vs Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 8 461 14.6 ± 12.2 11.2 0.0 73.8 - 461
Age (categorical) vs Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 455 14.5 ± 11.8 11.2 0.0 73.1 - 455
75-84 years 325 13.5 ± 11.0 10.7 0.2 73.1 - 325
85 years or older 130 16.8 ± 13.4 12.9 0.0 59.6 - 130
Gender vs Central Apnea-Hypopnea Index (CAHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation or arousal] per hour of sleep
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 461 14.6 ± 12.2 11.2 0.0 73.8 - 461
Female 461 14.6 ± 12.2 11.2 0.0 73.8 - 461