Age

Visit Number vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 15.3 ± 11.9 14.0 0.0 59.0 - 453
Follow-up 407 8.9 ± 10.9 8.0 0.0 74.0 46 453
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.3 ± 11.9 14.0 0.0 59.0 - 453
Early adenotonsillectomy (EAT) 226 15.8 ± 12.7 15.0 0.0 59.0 - 226
Watchful waiting with supportive care (WWSC) 227 14.7 ± 11.0 14.0 0.0 50.0 - 227
Treatment Arm vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.9 ± 10.9 8.0 0.0 74.0 46 453
Early adenotonsillectomy (EAT) 199 5.6 ± 7.3 0.0 0.0 39.0 27 226
Watchful waiting with supportive care (WWSC) 208 12.1 ± 12.7 11.0 0.0 74.0 19 227
Child's age vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.3 ± 11.9 14.0 0.0 59.0 - 453
5 - 7 years old 329 14.8 ± 12.1 14.0 0.0 54.0 - 329
8 - 10 years old 124 16.5 ± 11.2 15.0 0.0 59.0 - 124
Child's age vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 8.8 ± 10.9 7.0 0.0 74.0 2 399
5 - 7 years old 260 8.6 ± 11.2 6.0 0.0 74.0 2 262
8 - 10 years old 137 9.1 ± 10.4 9.0 0.0 57.0 - 137
Child's gender vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.3 ± 11.9 14.0 0.0 59.0 - 453
Female 234 15.3 ± 12.5 14.0 0.0 59.0 - 234
Male 219 15.3 ± 11.3 15.0 0.0 50.0 - 219
Child's gender vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.9 ± 10.9 8.0 0.0 74.0 46 453
Female 209 8.7 ± 11.6 6.0 0.0 74.0 25 234
Male 198 9.1 ± 10.2 8.0 0.0 44.0 21 219
Child's race vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.3 ± 11.9 14.0 0.0 59.0 - 453
White 156 14.3 ± 12.2 13.0 0.0 54.0 - 156
Black 249 15.7 ± 11.4 15.0 0.0 59.0 - 249
Other 48 16.3 ± 13.6 15.5 0.0 49.0 - 48
Child's race vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.9 ± 10.9 8.0 0.0 74.0 46 453
White 147 7.7 ± 10.4 0.0 0.0 44.0 9 156
Black 217 10.2 ± 11.4 10.0 0.0 74.0 32 249
Other 43 6.3 ± 8.9 0.0 0.0 33.0 5 48