rdi0pa rdi2pa
Name
rdi2p
Label
Apnea-Hypopnea Index: Apneas with >=2% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=2% oxygen desaturation and with or without arousal / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events

Calculation
rdi2p = 60 * ( hrembp2 + hrop2 + hnrbp2 + hnrop2 + carbp2 + carop2 + canbp2 + canop2 + oarbp2 + oarop2 + oanbp2 + oanop2 ) / slpprdp
Units
events per hour
Type
numeric
Tags
ahi_ap2uhp3x2u_f1t2
Visit number vs Apnea-Hypopnea Index: Apneas with >=2% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=2% 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 22.7 ± 17.2 17.8 0.4 92.4 - 461
Age (categorical) vs Apnea-Hypopnea Index: Apneas with >=2% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=2% 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 22.5 ± 17.0 17.8 0.4 92.4 - 455
75-84 years 325 21.3 ± 16.1 17.2 0.8 92.4 - 325
85 years or older 130 25.5 ± 18.7 23.3 0.4 81.5 - 130
Gender vs Apnea-Hypopnea Index: Apneas with >=2% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >=2% 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 22.7 ± 17.2 17.8 0.4 92.4 - 461
Female 461 22.7 ± 17.2 17.8 0.4 92.4 - 461