Name
ahi_a0h4
Label
Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Calculation
ahi_a0h4 = 60 * (hrembp4 + hrop4 + hnrbp4 + hnrop4 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Visit number vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 8 461 11.1 ± 13.1 6.9 0.0 78.7 - 461
Age (categorical) vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 455 10.9 ± 12.7 6.9 0.0 78.7 - 455
75-84 years 325 10.2 ± 12.0 6.8 0.0 78.7 - 325
85 years or older 130 12.7 ± 14.1 8.2 0.0 75.5 - 130
Gender vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 461 11.1 ± 13.1 6.9 0.0 78.7 - 461
Female 461 11.1 ± 13.1 6.9 0.0 78.7 - 461