rdirem2p rdirem5p
Name
rdirem4p
Label
Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.].

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Calculation
rdirem4p = 60 * ( hrembp4 + hrop4 + carbp4 + carop4 + oarbp4 + oarop4 ) / minremp
Units
events per hour
Type
numeric
Tags
ahi_sr_ap4uhp3x4u_f1t1
Visit vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 701 12.6 ± 19.3 3.0 0.0 104.7 34 735
Participant's age (category) vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 628 12.6 ± 19.2 3.0 0.0 104.7 30 658
5-14 yrs old 62 2.6 ± 7.8 0.9 0.0 54.5 2 64
15-24 yrs old 109 2.4 ± 4.8 0.8 0.0 36.5 3 112
25-34 yrs old 62 10.8 ± 21.6 2.0 0.0 92.1 - 62
35-44 years 94 15.5 ± 22.6 5.3 0.0 92.5 4 98
45-54 years 140 17.9 ± 21.6 8.2 0.0 104.7 8 148
55-64 years 79 16.2 ± 16.3 10.3 0.0 66.9 5 84
65-74 years 54 18.6 ± 19.9 7.9 0.0 66.4 3 57
75-84 years 26 21.3 ± 24.5 12.9 0.0 103.6 5 31
85 years or older 2 10.9 ± 15.4 10.9 0.0 21.8 - 2
Participant's sex vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 12.6 ± 19.3 3.0 0.0 104.7 34 735
Female 385 10.7 ± 16.9 2.5 0.0 104.7 21 406
Male 316 14.9 ± 21.7 4.0 0.0 103.6 13 329
Participant's race vs Apnea-Hypopnea Index (REM): (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 REM sleep from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 701 12.6 ± 19.3 3.0 0.0 104.7 34 735
White 288 10.8 ± 17.4 2.6 0.0 94.5 16 304
Black 391 14.4 ± 20.7 4.1 0.0 104.7 18 409
Other 22 4.2 ± 11.2 1.0 0.0 51.7 - 22