Race

Visit Number vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 7.0 ± 5.6 5.1 0.3 32.9 - 453
Follow-up 407 4.3 ± 7.5 2.0 0.0 69.8 46 453
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.0 ± 5.6 5.1 0.3 32.9 - 453
Early adenotonsillectomy (EAT) 226 7.1 ± 5.7 5.1 0.9 32.9 - 226
Watchful waiting with supportive care (WWSC) 227 6.9 ± 5.5 5.1 0.3 30.8 - 227
Treatment Arm vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.3 ± 7.5 2.0 0.0 69.8 46 453
Early adenotonsillectomy (EAT) 199 2.4 ± 3.2 1.6 0.0 31.2 27 226
Watchful waiting with supportive care (WWSC) 208 6.2 ± 9.7 3.0 0.0 69.8 19 227
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.0 ± 5.6 5.1 0.3 32.9 - 453
5 - 7 years old 329 6.7 ± 5.3 4.9 0.3 30.8 - 329
8 - 10 years old 124 7.7 ± 6.2 5.9 0.5 32.9 - 124
Child's age vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 4.4 ± 7.6 2.0 0.0 69.8 2 399
5 - 7 years old 260 4.5 ± 8.5 1.9 0.0 69.8 2 262
8 - 10 years old 137 4.1 ± 5.6 2.0 0.0 36.5 - 137
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.0 ± 5.6 5.1 0.3 32.9 - 453
Female 234 7.2 ± 5.7 5.4 0.5 30.8 - 234
Male 219 6.8 ± 5.5 4.9 0.3 32.9 - 219
Child's gender vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.3 ± 7.5 2.0 0.0 69.8 46 453
Female 209 4.5 ± 8.5 1.8 0.1 69.8 25 234
Male 198 4.1 ± 6.4 2.1 0.0 62.5 21 219
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.0 ± 5.6 5.1 0.3 32.9 - 453
White 156 6.1 ± 4.8 4.6 0.3 26.2 - 156
Black 249 7.6 ± 6.0 5.6 0.7 32.9 - 249
Other 48 6.9 ± 5.8 4.6 1.0 24.6 - 48
Child's race vs Apnea-Hypopnea Index: (Apneas with >= 3% oxygen desaturation threshold used or with arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.3 ± 7.5 2.0 0.0 69.8 46 453
White 147 4.0 ± 8.6 1.9 0.0 69.8 9 156
Black 217 4.7 ± 7.2 2.1 0.0 56.9 32 249
Other 43 3.4 ± 5.0 1.6 0.3 31.0 5 48