Name
rdirba5
Label
Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% 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.

Units
events per hour
Type
numeric
Visit Number vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 5.3 ± 9.4 0.0 0.0 58.7 - 453
Follow-up 407 3.2 ± 8.9 0.0 0.0 90.0 46 453
Treatment Arm vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.3 ± 9.4 0.0 0.0 58.7 - 453
Early adenotonsillectomy (EAT) 226 5.1 ± 9.0 0.0 0.0 51.6 - 226
Watchful waiting with supportive care (WWSC) 227 5.4 ± 9.8 0.0 0.0 58.7 - 227
Treatment Arm vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.2 ± 8.9 0.0 0.0 90.0 46 453
Early adenotonsillectomy (EAT) 199 2.0 ± 5.3 0.0 0.0 34.3 27 226
Watchful waiting with supportive care (WWSC) 208 4.4 ± 11.2 0.0 0.0 90.0 19 227
Child's age vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.3 ± 9.4 0.0 0.0 58.7 - 453
5 - 7 years old 329 5.1 ± 8.9 0.0 0.0 58.7 - 329
8 - 10 years old 124 5.7 ± 10.7 0.0 0.0 51.6 - 124
Child's age vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 3.2 ± 8.9 0.0 0.0 90.0 2 399
5 - 7 years old 260 3.2 ± 9.2 0.0 0.0 90.0 2 262
8 - 10 years old 137 3.3 ± 8.3 0.0 0.0 67.9 - 137
Child's gender vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.3 ± 9.4 0.0 0.0 58.7 - 453
Female 234 5.9 ± 10.8 0.0 0.0 58.7 - 234
Male 219 4.6 ± 7.6 0.0 0.0 49.8 - 219
Child's gender vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.2 ± 8.9 0.0 0.0 90.0 46 453
Female 209 3.0 ± 7.9 0.0 0.0 67.9 25 234
Male 198 3.4 ± 9.9 0.0 0.0 90.0 21 219
Child's race vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.3 ± 9.4 0.0 0.0 58.7 - 453
White 156 3.3 ± 5.9 0.0 0.0 27.3 - 156
Black 249 6.5 ± 10.9 0.0 0.0 58.7 - 249
Other 48 5.3 ± 9.5 0.0 0.0 37.6 - 48
Child's race vs Hypopnea Index (REM, Supine): (Hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation or with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.2 ± 8.9 0.0 0.0 90.0 46 453
White 147 2.9 ± 8.3 0.0 0.0 55.6 9 156
Black 217 3.7 ± 9.9 0.0 0.0 90.0 32 249
Other 43 1.8 ± 4.7 0.0 0.0 25.3 5 48