Name
rdirba3
Label
Hypopnea Index (REM, Supine): (Hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [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

Units
events per hour
Type
numeric
Visit vs Hypopnea Index (REM, Supine): (Hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 13.3 ± 17.7 5.6 0.0 96.0 3 735
Participant's age (category) vs Hypopnea Index (REM, Supine): (Hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 13.4 ± 17.8 5.5 0.0 96.0 3 658
5-14 yrs old 64 2.2 ± 6.3 0.0 0.0 46.5 - 64
15-24 yrs old 112 6.3 ± 10.1 2.7 0.0 76.4 - 112
25-34 yrs old 62 11.8 ± 16.6 7.4 0.0 96.0 - 62
35-44 years 97 17.1 ± 18.8 10.2 0.0 91.5 1 98
45-54 years 146 18.9 ± 21.3 12.2 0.0 84.7 2 148
55-64 years 84 16.6 ± 16.9 12.2 0.0 60.0 - 84
65-74 years 57 17.9 ± 20.8 7.9 0.0 65.8 - 57
75-84 years 31 11.0 ± 15.8 0.0 0.0 54.5 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Participant's sex vs Hypopnea Index (REM, Supine): (Hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 13.3 ± 17.7 5.6 0.0 96.0 3 735
Female 403 12.0 ± 16.9 4.1 0.0 91.5 3 406
Male 329 14.9 ± 18.5 8.5 0.0 96.0 - 329
Participant's race vs Hypopnea Index (REM, Supine): (Hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 13.3 ± 17.7 5.6 0.0 96.0 3 735
White 302 13.9 ± 18.4 6.9 0.0 96.0 2 304
Black 408 13.3 ± 17.3 5.5 0.0 91.5 1 409
More than one race 22 5.9 ± 12.9 0.9 0.0 55.0 - 22