Age

Visit Number vs Minimum 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 7.4 ± 4.2 8.0 0.0 25.0 - 453
Follow-up 407 5.5 ± 5.5 7.0 0.0 41.0 46 453
Treatment Arm vs Minimum 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 7.4 ± 4.2 8.0 0.0 25.0 - 453
Early adenotonsillectomy (EAT) 226 7.3 ± 4.4 8.0 0.0 25.0 - 226
Watchful waiting with supportive care (WWSC) 227 7.5 ± 4.1 8.0 0.0 22.0 - 227
Treatment Arm vs Minimum 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 5.5 ± 5.5 7.0 0.0 41.0 46 453
Early adenotonsillectomy (EAT) 199 4.4 ± 5.0 0.0 0.0 19.0 27 226
Watchful waiting with supportive care (WWSC) 208 6.6 ± 5.8 8.0 0.0 41.0 19 227
Child's age vs Minimum 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 7.4 ± 4.2 8.0 0.0 25.0 - 453
5 - 7 years old 329 7.4 ± 4.4 8.0 0.0 25.0 - 329
8 - 10 years old 124 7.5 ± 3.8 8.0 0.0 16.0 - 124
Child's age vs Minimum 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 5.5 ± 5.5 7.0 0.0 41.0 2 399
5 - 7 years old 260 5.5 ± 5.7 7.0 0.0 41.0 2 262
8 - 10 years old 137 5.4 ± 5.0 6.0 0.0 18.0 - 137
Child's gender vs Minimum 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 7.4 ± 4.2 8.0 0.0 25.0 - 453
Female 234 7.2 ± 4.0 8.0 0.0 19.0 - 234
Male 219 7.6 ± 4.4 8.0 0.0 25.0 - 219
Child's gender vs Minimum 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 5.5 ± 5.5 7.0 0.0 41.0 46 453
Female 209 5.1 ± 5.2 6.0 0.0 29.0 25 234
Male 198 6.1 ± 5.8 7.0 0.0 41.0 21 219
Child's race vs Minimum 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 7.4 ± 4.2 8.0 0.0 25.0 - 453
White 156 7.1 ± 4.6 8.0 0.0 22.0 - 156
Black 249 7.6 ± 4.0 8.0 0.0 25.0 - 249
Other 48 6.9 ± 4.3 8.0 0.0 14.0 - 48
Child's race vs Minimum 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 5.5 ± 5.5 7.0 0.0 41.0 46 453
White 147 4.6 ± 5.4 0.0 0.0 24.0 9 156
Black 217 6.3 ± 5.6 7.0 0.0 41.0 32 249
Other 43 4.8 ± 5.1 6.0 0.0 17.0 5 48