Age

Visit Number vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 14.9 ± 16.9 11.0 0.0 84.0 - 453
Follow-up 407 7.1 ± 12.9 0.0 0.0 68.0 46 453
Treatment Arm vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 14.9 ± 16.9 11.0 0.0 84.0 - 453
Early adenotonsillectomy (EAT) 226 15.9 ± 17.6 12.0 0.0 84.0 - 226
Watchful waiting with supportive care (WWSC) 227 14.0 ± 16.1 10.0 0.0 67.0 - 227
Treatment Arm vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.1 ± 12.9 0.0 0.0 68.0 46 453
Early adenotonsillectomy (EAT) 199 3.7 ± 8.1 0.0 0.0 50.0 27 226
Watchful waiting with supportive care (WWSC) 208 10.3 ± 15.6 0.0 0.0 68.0 19 227
Child's age vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 14.9 ± 16.9 11.0 0.0 84.0 - 453
5 - 7 years old 329 14.9 ± 16.9 11.0 0.0 84.0 - 329
8 - 10 years old 124 15.1 ± 16.8 12.0 0.0 68.0 - 124
Child's age vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 7.2 ± 13.0 0.0 0.0 68.0 2 399
5 - 7 years old 260 7.0 ± 12.3 0.0 0.0 52.0 2 262
8 - 10 years old 137 7.6 ± 14.3 0.0 0.0 68.0 - 137
Child's gender vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 14.9 ± 16.9 11.0 0.0 84.0 - 453
Female 234 15.4 ± 17.3 11.0 0.0 68.0 - 234
Male 219 14.5 ± 16.5 11.0 0.0 84.0 - 219
Child's gender vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.1 ± 12.9 0.0 0.0 68.0 46 453
Female 209 6.6 ± 12.4 0.0 0.0 53.0 25 234
Male 198 7.6 ± 13.4 0.0 0.0 68.0 21 219
Child's race vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 14.9 ± 16.9 11.0 0.0 84.0 - 453
White 156 7.9 ± 12.8 0.0 0.0 60.0 - 156
Black 249 19.9 ± 17.9 19.0 0.0 84.0 - 249
Other 48 11.8 ± 14.2 0.0 0.0 47.0 - 48
Child's race vs Maximum duration of hypopnea in REM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.1 ± 12.9 0.0 0.0 68.0 46 453
White 147 3.0 ± 8.7 0.0 0.0 52.0 9 156
Black 217 10.5 ± 15.0 0.0 0.0 68.0 32 249
Other 43 3.7 ± 7.8 0.0 0.0 35.0 5 48