nsrr_ttlprdsp_s1sr ahi_a0h3a
Name
ahi_a0h3
Label
Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
ahi_a0h3 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Tags
ahi_ap0uhp3x3u_f1t2
Visit number vs Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 8 461 16.3 ± 15.4 11.8 0.0 89.9 - 461
Age (categorical) vs Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 455 16.1 ± 15.1 11.8 0.1 89.9 - 455
75-84 years 325 15.1 ± 14.3 11.0 0.2 89.9 - 325
85 years or older 130 18.5 ± 16.9 14.4 0.1 80.5 - 130
Gender vs Apnea-Hypopnea Index: (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 461 16.3 ± 15.4 11.8 0.0 89.9 - 461
Female 461 16.3 ± 15.4 11.8 0.0 89.9 - 461