Treatment Arm

Visit Number vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 3.6 ± 4.1 2.3 0.0 28.1 - 453
Follow-up 407 2.4 ± 5.8 1.1 0.0 52.9 46 453
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.6 ± 4.1 2.3 0.0 28.1 - 453
Early adenotonsillectomy (EAT) 226 3.6 ± 4.3 2.2 0.0 28.1 - 226
Watchful waiting with supportive care (WWSC) 227 3.5 ± 3.9 2.3 0.0 20.4 - 227
Treatment Arm vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.4 ± 5.8 1.1 0.0 52.9 46 453
Early adenotonsillectomy (EAT) 199 1.3 ± 1.9 0.7 0.0 19.1 27 226
Watchful waiting with supportive care (WWSC) 208 3.6 ± 7.7 1.3 0.0 52.9 19 227
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.6 ± 4.1 2.3 0.0 28.1 - 453
5 - 7 years old 329 3.2 ± 3.7 2.0 0.0 22.7 - 329
8 - 10 years old 124 4.5 ± 4.9 2.7 0.0 28.1 - 124
Child's age vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.5 ± 5.8 1.1 0.0 52.9 2 399
5 - 7 years old 260 2.5 ± 6.5 0.9 0.0 52.9 2 262
8 - 10 years old 137 2.3 ± 4.4 1.2 0.0 35.2 - 137
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.6 ± 4.1 2.3 0.0 28.1 - 453
Female 234 3.7 ± 4.3 2.2 0.0 24.0 - 234
Male 219 3.4 ± 3.8 2.3 0.0 28.1 - 219
Child's gender vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.4 ± 5.8 1.1 0.0 52.9 46 453
Female 209 2.6 ± 6.6 0.8 0.0 52.9 25 234
Male 198 2.3 ± 4.7 1.2 0.0 49.8 21 219
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.6 ± 4.1 2.3 0.0 28.1 - 453
White 156 3.4 ± 3.9 2.0 0.0 22.7 - 156
Black 249 3.8 ± 4.3 2.3 0.0 28.1 - 249
Other 48 3.3 ± 3.7 2.1 0.0 20.2 - 48
Child's race vs Apnea-Hypopnea Index (NREM): (Apneas with >= 3% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation used and with or without arousal) / hours of NREM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.4 ± 5.8 1.1 0.0 52.9 46 453
White 147 2.5 ± 6.7 0.9 0.0 52.9 9 156
Black 217 2.5 ± 5.3 1.2 0.0 47.5 32 249
Other 43 2.0 ± 4.6 0.6 0.0 29.4 5 48