Name
rdirem2p
Label
Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
rdirem2p = 60 * ( hrembp2 + hrop2 + carbp2 + carop2 + oarbp2 + oarop2 ) / minremp
Units
events per hour
Type
numeric
Visit vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 701 23.5 ± 22.6 16.5 0.0 114.5 34 735
Participant's age (category) vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 628 23.6 ± 22.7 16.4 0.0 114.5 30 658
5-14 yrs old 62 6.5 ± 10.1 3.5 0.0 63.3 2 64
15-24 yrs old 109 12.0 ± 13.7 7.8 0.0 85.0 3 112
25-34 yrs old 62 19.6 ± 23.3 10.1 0.0 98.6 - 62
35-44 years 94 27.2 ± 24.4 20.7 0.0 94.0 4 98
45-54 years 140 31.0 ± 24.9 25.2 0.0 114.1 8 148
55-64 years 79 30.5 ± 19.6 26.2 0.9 78.9 5 84
65-74 years 54 32.0 ± 21.3 25.9 0.7 83.2 3 57
75-84 years 26 31.2 ± 24.9 29.7 0.0 114.5 5 31
85 years or older 2 26.0 ± 1.8 26.0 24.7 27.3 - 2
Participant's sex vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 23.5 ± 22.6 16.5 0.0 114.5 34 735
Female 385 21.8 ± 21.9 13.3 0.0 114.1 21 406
Male 316 25.6 ± 23.2 18.6 0.0 114.5 13 329
Participant's race vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 23.5 ± 22.6 16.5 0.0 114.5 34 735
White 288 22.5 ± 19.9 16.5 0.0 98.6 16 304
Black 391 24.9 ± 24.5 17.0 0.0 114.5 18 409
More than one race 22 11.1 ± 14.8 5.9 0.0 60.4 - 22