Age

Visit Number vs Minimum duration of hypopnea in NREM sleep in 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 6.6 ± 5.1 7.0 0.0 30.0 - 453
Follow-up 407 5.7 ± 5.3 7.0 0.0 26.0 46 453
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in 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 6.6 ± 5.1 7.0 0.0 30.0 - 453
Early adenotonsillectomy (EAT) 226 6.5 ± 5.2 8.0 0.0 30.0 - 226
Watchful waiting with supportive care (WWSC) 227 6.6 ± 5.1 7.0 0.0 28.0 - 227
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 5.3 7.0 0.0 26.0 46 453
Early adenotonsillectomy (EAT) 199 5.2 ± 5.3 6.0 0.0 24.0 27 226
Watchful waiting with supportive care (WWSC) 208 6.2 ± 5.3 7.0 0.0 26.0 19 227
Child's age vs Minimum duration of hypopnea in NREM sleep in 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 6.6 ± 5.1 7.0 0.0 30.0 - 453
5 - 7 years old 329 6.6 ± 5.4 7.0 0.0 30.0 - 329
8 - 10 years old 124 6.6 ± 4.3 7.0 0.0 17.0 - 124
Child's age vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 5.3 7.0 0.0 26.0 2 399
5 - 7 years old 260 5.5 ± 5.6 6.0 0.0 26.0 2 262
8 - 10 years old 137 6.2 ± 4.7 7.0 0.0 19.0 - 137
Child's gender vs Minimum duration of hypopnea in NREM sleep in 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 6.6 ± 5.1 7.0 0.0 30.0 - 453
Female 234 6.3 ± 4.9 7.0 0.0 30.0 - 234
Male 219 6.9 ± 5.3 8.0 0.0 28.0 - 219
Child's gender vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 5.3 7.0 0.0 26.0 46 453
Female 209 5.3 ± 4.9 6.0 0.0 16.0 25 234
Male 198 6.1 ± 5.8 7.0 0.0 26.0 21 219
Child's race vs Minimum duration of hypopnea in NREM sleep in 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 6.6 ± 5.1 7.0 0.0 30.0 - 453
White 156 7.2 ± 5.2 8.0 0.0 28.0 - 156
Black 249 6.2 ± 5.0 7.0 0.0 30.0 - 249
Other 48 6.6 ± 5.4 8.0 0.0 20.0 - 48
Child's race vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 5.3 7.0 0.0 26.0 46 453
White 147 5.9 ± 5.1 7.0 0.0 25.0 9 156
Black 217 5.5 ± 5.4 6.0 0.0 26.0 32 249
Other 43 6.3 ± 5.6 7.0 0.0 22.0 5 48