Age

Visit Number vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 1.8 ± 2.6 0.8 0.0 17.7 - 453
Follow-up 407 1.2 ± 3.8 0.2 0.0 54.1 46 453
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.6 0.8 0.0 17.7 - 453
Early adenotonsillectomy (EAT) 226 1.8 ± 2.7 0.8 0.0 15.6 - 226
Watchful waiting with supportive care (WWSC) 227 1.7 ± 2.5 0.8 0.0 17.7 - 227
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 3.8 0.2 0.0 54.1 46 453
Early adenotonsillectomy (EAT) 199 0.5 ± 1.3 0.2 0.0 11.2 27 226
Watchful waiting with supportive care (WWSC) 208 1.9 ± 5.1 0.4 0.0 54.1 19 227
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.6 0.8 0.0 17.7 - 453
5 - 7 years old 329 1.7 ± 2.4 0.7 0.0 14.9 - 329
8 - 10 years old 124 2.1 ± 3.1 1.0 0.0 17.7 - 124
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 1.3 ± 3.9 0.2 0.0 54.1 2 399
5 - 7 years old 260 1.3 ± 4.4 0.2 0.0 54.1 2 262
8 - 10 years old 137 1.1 ± 2.4 0.3 0.0 15.7 - 137
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.6 0.8 0.0 17.7 - 453
Female 234 1.8 ± 2.7 0.8 0.0 17.7 - 234
Male 219 1.8 ± 2.6 0.8 0.0 15.6 - 219
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 3.8 0.2 0.0 54.1 46 453
Female 209 1.4 ± 4.7 0.2 0.0 54.1 25 234
Male 198 1.1 ± 2.6 0.3 0.0 20.3 21 219
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.8 ± 2.6 0.8 0.0 17.7 - 453
White 156 1.1 ± 1.8 0.5 0.0 10.7 - 156
Black 249 2.2 ± 2.9 1.1 0.0 17.7 - 249
Other 48 1.8 ± 2.7 0.8 0.0 11.6 - 48
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 5% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 5% oxygen desaturation used and with or without arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.2 ± 3.8 0.2 0.0 54.1 46 453
White 147 1.1 ± 5.0 0.1 0.0 54.1 9 156
Black 217 1.5 ± 3.1 0.4 0.0 22.1 32 249
Other 43 0.6 ± 1.5 0.2 0.0 9.2 5 48