Name
rdi3pa
Label
Apnea-Hypopnea Index: Apneas with >=3% oxygen desaturation or with arousal+ hypopneas with > 30% flow reduction and >=3% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events

Calculation
rdi3pa = 60 * ( hremba3 + hroa3 + hnrba3 + hnroa3 + carba3 + caroa3 + canba3 + canoa3 + oarba3 + oaroa3 + oanba3 + oanoa3 ) / slpprdp
Units
events per hour
Type
numeric
Visit number vs Apnea-Hypopnea Index: Apneas with >=3% oxygen desaturation or with arousal+ hypopneas with > 30% flow reduction and >=3% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 8 456 18.0 ± 15.6 13.3 0.0 90.5 5 461
Age (categorical) vs Apnea-Hypopnea Index: Apneas with >=3% oxygen desaturation or with arousal+ hypopneas with > 30% flow reduction and >=3% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 450 17.9 ± 15.3 13.3 0.2 90.5 5 455
75-84 years 321 16.7 ± 14.3 12.4 0.2 90.5 4 325
85 years or older 129 20.8 ± 17.4 16.3 0.2 80.9 1 130
Gender vs Apnea-Hypopnea Index: Apneas with >=3% oxygen desaturation or with arousal+ hypopneas with > 30% flow reduction and >=3% oxygen desaturation or with arousal / hour of sleep from type II polysomnography
Visit 8
N Mean StdDev Median Min Max Unknown Total
Total 456 18.0 ± 15.6 13.3 0.0 90.5 5 461
Female 456 18.0 ± 15.6 13.3 0.0 90.5 5 461