Age

Visit Number vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 6.9 5.0 0.0 51.0 - 453
Follow-up 407 4.0 ± 6.0 0.0 0.0 37.0 46 453
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 6.9 5.0 0.0 51.0 - 453
Early adenotonsillectomy (EAT) 226 5.3 ± 6.3 0.0 0.0 35.0 - 226
Watchful waiting with supportive care (WWSC) 227 6.2 ± 7.4 6.0 0.0 51.0 - 227
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in 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 4.0 ± 6.0 0.0 0.0 37.0 46 453
Early adenotonsillectomy (EAT) 199 3.5 ± 6.2 0.0 0.0 37.0 27 226
Watchful waiting with supportive care (WWSC) 208 4.5 ± 5.9 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.7 ± 6.9 5.0 0.0 51.0 - 453
5 - 7 years old 329 5.2 ± 6.7 0.0 0.0 51.0 - 329
8 - 10 years old 124 7.3 ± 7.0 8.0 0.0 35.0 - 124
Child's age vs Minimum duration of hypopnea in NREM sleep in 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 4.0 ± 6.0 0.0 0.0 37.0 2 399
5 - 7 years old 260 3.7 ± 5.8 0.0 0.0 26.0 2 262
8 - 10 years old 137 4.6 ± 6.4 0.0 0.0 37.0 - 137
Child's gender vs Minimum duration of hypopnea in NREM sleep in 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 5.7 ± 6.9 5.0 0.0 51.0 - 453
Female 234 5.6 ± 7.3 0.0 0.0 51.0 - 234
Male 219 5.9 ± 6.4 6.0 0.0 30.0 - 219
Child's gender vs Minimum duration of hypopnea in NREM sleep in 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 4.0 ± 6.0 0.0 0.0 37.0 46 453
Female 209 3.4 ± 5.5 0.0 0.0 37.0 25 234
Male 198 4.7 ± 6.5 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.7 ± 6.9 5.0 0.0 51.0 - 453
White 156 5.9 ± 7.7 0.0 0.0 51.0 - 156
Black 249 5.7 ± 6.4 6.0 0.0 30.0 - 249
Other 48 5.3 ± 6.8 0.0 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 >= 4% oxygen desaturation and with or without arousal from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.0 ± 6.0 0.0 0.0 37.0 46 453
White 147 3.9 ± 6.0 0.0 0.0 37.0 9 156
Black 217 4.1 ± 5.9 0.0 0.0 26.0 32 249
Other 43 3.8 ± 6.7 0.0 0.0 25.0 5 48