Age

Visit Number vs Maximum duration of hypopnea in NREM 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 11.1 ± 11.5 11.0 0.0 59.0 - 453
Follow-up 407 5.5 ± 10.0 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 11.1 ± 11.5 11.0 0.0 59.0 - 453
Early adenotonsillectomy (EAT) 226 12.2 ± 12.3 12.0 0.0 59.0 - 226
Watchful waiting with supportive care (WWSC) 227 10.0 ± 10.5 10.0 0.0 48.0 - 227
Treatment Arm vs Maximum duration of hypopnea in NREM 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 5.5 ± 10.0 0.0 0.0 74.0 46 453
Early adenotonsillectomy (EAT) 199 2.7 ± 5.8 0.0 0.0 39.0 27 226
Watchful waiting with supportive care (WWSC) 208 8.2 ± 12.2 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 11.1 ± 11.5 11.0 0.0 59.0 - 453
5 - 7 years old 329 10.4 ± 11.5 10.0 0.0 54.0 - 329
8 - 10 years old 124 12.9 ± 11.3 13.5 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 5.6 ± 10.1 0.0 0.0 74.0 2 399
5 - 7 years old 260 5.3 ± 10.3 0.0 0.0 74.0 2 262
8 - 10 years old 137 6.0 ± 9.8 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 11.1 ± 11.5 11.0 0.0 59.0 - 453
Female 234 11.3 ± 12.1 11.0 0.0 59.0 - 234
Male 219 10.9 ± 10.8 11.0 0.0 48.0 - 219
Child's gender vs Maximum duration of hypopnea in NREM 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 5.5 ± 10.0 0.0 0.0 74.0 46 453
Female 209 5.3 ± 11.0 0.0 0.0 74.0 25 234
Male 198 5.7 ± 8.9 0.0 0.0 41.0 21 219
Child's race vs Maximum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 11.1 ± 11.5 11.0 0.0 59.0 - 453
White 156 9.1 ± 10.8 7.0 0.0 54.0 - 156
Black 249 12.3 ± 11.3 13.0 0.0 59.0 - 249
Other 48 11.4 ± 13.6 8.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 10.0 0.0 0.0 74.0 46 453
White 147 3.5 ± 7.3 0.0 0.0 41.0 9 156
Black 217 7.2 ± 11.6 0.0 0.0 74.0 32 249
Other 43 3.6 ± 8.2 0.0 0.0 33.0 5 48