Age

Visit Number vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 16.7 ± 12.9 17.0 0.0 65.0 - 453
Follow-up 407 11.8 ± 11.1 11.0 0.0 58.0 46 453
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.7 ± 12.9 17.0 0.0 65.0 - 453
Early adenotonsillectomy (EAT) 226 16.8 ± 12.7 17.0 0.0 60.0 - 226
Watchful waiting with supportive care (WWSC) 227 16.6 ± 13.2 16.0 0.0 65.0 - 227
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.8 ± 11.1 11.0 0.0 58.0 46 453
Early adenotonsillectomy (EAT) 199 8.6 ± 9.0 9.0 0.0 46.0 27 226
Watchful waiting with supportive care (WWSC) 208 14.9 ± 12.0 15.0 0.0 58.0 19 227
Child's age vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.7 ± 12.9 17.0 0.0 65.0 - 453
5 - 7 years old 329 15.7 ± 12.2 16.0 0.0 62.0 - 329
8 - 10 years old 124 19.4 ± 14.4 18.0 0.0 65.0 - 124
Child's age vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 11.8 ± 11.1 11.0 0.0 58.0 2 399
5 - 7 years old 260 11.5 ± 11.7 11.0 0.0 58.0 2 262
8 - 10 years old 137 12.3 ± 9.8 12.0 0.0 38.0 - 137
Child's gender vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.7 ± 12.9 17.0 0.0 65.0 - 453
Female 234 16.6 ± 13.5 16.0 0.0 65.0 - 234
Male 219 16.8 ± 12.4 17.0 0.0 60.0 - 219
Child's gender vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.8 ± 11.1 11.0 0.0 58.0 46 453
Female 209 11.1 ± 11.2 11.0 0.0 58.0 25 234
Male 198 12.5 ± 11.0 12.0 0.0 55.0 21 219
Child's race vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.7 ± 12.9 17.0 0.0 65.0 - 453
White 156 18.9 ± 14.1 18.0 0.0 62.0 - 156
Black 249 15.3 ± 11.7 16.0 0.0 60.0 - 249
Other 48 16.8 ± 14.4 17.0 0.0 65.0 - 48
Child's race vs Maximum duration of hypopnea in NREM sleep in supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation or with arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.8 ± 11.1 11.0 0.0 58.0 46 453
White 147 12.9 ± 11.3 12.0 0.0 58.0 9 156
Black 217 10.5 ± 10.4 11.0 0.0 49.0 32 249
Other 43 14.8 ± 12.8 12.0 0.0 55.0 5 48