Name
rdinr4p
Label
Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
rdinr4p = 60 * ( hnrbp4 + hnrop4 + canbp4 + canop4 + oanbp4 + oanop4 ) / ( slpprdp - minremp )
Units
events per hour
Type
numeric
Visit vs Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 701 7.4 ± 15.9 0.9 0.0 114.6 34 735
Participant's age (category) vs Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 628 7.3 ± 15.5 0.9 0.0 114.6 30 658
5-14 yrs old 62 0.7 ± 2.7 0.2 0.0 21.0 2 64
15-24 yrs old 109 1.4 ± 4.9 0.3 0.0 47.3 3 112
25-34 yrs old 62 9.0 ± 22.0 0.6 0.0 108.7 - 62
35-44 years 94 10.1 ± 20.4 1.1 0.0 114.6 4 98
45-54 years 140 7.5 ± 14.6 1.5 0.0 93.4 8 148
55-64 years 79 8.8 ± 14.7 2.6 0.0 63.1 5 84
65-74 years 54 13.0 ± 15.0 6.5 0.0 53.6 3 57
75-84 years 26 14.9 ± 18.1 6.4 0.0 57.0 5 31
85 years or older 2 28.8 ± 37.4 28.8 2.4 55.3 - 2
Participant's sex vs Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 7.4 ± 15.9 0.9 0.0 114.6 34 735
Female 385 4.3 ± 10.4 0.6 0.0 77.8 21 406
Male 316 11.3 ± 20.1 1.8 0.0 114.6 13 329
Participant's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 4% oxygen desaturation and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 7.4 ± 15.9 0.9 0.0 114.6 34 735
White 288 7.5 ± 15.9 0.9 0.0 114.6 16 304
Black 391 7.7 ± 16.3 1.1 0.0 108.7 18 409
More than one race 22 1.9 ± 5.4 0.2 0.0 25.1 - 22