Age

Visit Number vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation and with or without arousal from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 16.4 ± 11.7 16.0 0.0 59.0 - 453
Follow-up 407 9.7 ± 10.9 9.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.4 ± 11.7 16.0 0.0 59.0 - 453
Early adenotonsillectomy (EAT) 226 16.8 ± 12.4 16.0 0.0 59.0 - 226
Watchful waiting with supportive care (WWSC) 227 16.1 ± 10.9 15.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 9.7 ± 10.9 9.0 0.0 74.0 46 453
Early adenotonsillectomy (EAT) 199 6.2 ± 7.5 0.0 0.0 39.0 27 226
Watchful waiting with supportive care (WWSC) 208 13.0 ± 12.5 12.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.4 ± 11.7 16.0 0.0 59.0 - 453
5 - 7 years old 329 16.1 ± 11.9 15.0 0.0 54.0 - 329
8 - 10 years old 124 17.4 ± 11.1 16.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 9.6 ± 10.9 9.0 0.0 74.0 2 399
5 - 7 years old 260 9.6 ± 11.1 9.0 0.0 74.0 2 262
8 - 10 years old 137 9.6 ± 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.4 ± 11.7 16.0 0.0 59.0 - 453
Female 234 16.4 ± 12.0 15.0 0.0 59.0 - 234
Male 219 16.5 ± 11.4 16.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 9.7 ± 10.9 9.0 0.0 74.0 46 453
Female 209 9.3 ± 11.5 8.0 0.0 74.0 25 234
Male 198 10.1 ± 10.1 10.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 16.4 ± 11.7 16.0 0.0 59.0 - 453
White 156 15.1 ± 12.0 14.0 0.0 54.0 - 156
Black 249 17.0 ± 10.9 16.0 0.0 59.0 - 249
Other 48 17.8 ± 14.0 17.0 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 >= 2% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 9.7 ± 10.9 9.0 0.0 74.0 46 453
White 147 8.1 ± 10.5 0.0 0.0 44.0 9 156
Black 217 11.2 ± 11.2 11.0 0.0 74.0 32 249
Other 43 7.7 ± 9.2 7.0 0.0 33.0 5 48