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Treatment Arm

Visit Number vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 7.8 ± 5.0 8.0 0.0 25.0 - 453
Follow-up 407 5.5 ± 5.9 7.0 0.0 32.0 46 453
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.8 ± 5.0 8.0 0.0 25.0 - 453
Early adenotonsillectomy (EAT) 226 8.0 ± 5.1 9.0 0.0 25.0 - 226
Watchful waiting with supportive care (WWSC) 227 7.6 ± 5.0 8.0 0.0 24.0 - 227
Treatment Arm vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 5.9 7.0 0.0 32.0 46 453
Early adenotonsillectomy (EAT) 199 4.3 ± 5.7 0.0 0.0 23.0 27 226
Watchful waiting with supportive care (WWSC) 208 6.6 ± 5.8 8.0 0.0 32.0 19 227
Child's age vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.8 ± 5.0 8.0 0.0 25.0 - 453
5 - 7 years old 329 7.6 ± 5.0 8.0 0.0 25.0 - 329
8 - 10 years old 124 8.4 ± 5.0 9.0 0.0 23.0 - 124
Child's age vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 5.4 ± 5.9 6.0 0.0 32.0 2 399
5 - 7 years old 260 5.4 ± 5.9 6.0 0.0 32.0 2 262
8 - 10 years old 137 5.3 ± 5.8 6.0 0.0 26.0 - 137
Child's gender vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.8 ± 5.0 8.0 0.0 25.0 - 453
Female 234 8.0 ± 5.1 8.0 0.0 25.0 - 234
Male 219 7.6 ± 5.0 8.0 0.0 20.0 - 219
Child's gender vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 5.9 7.0 0.0 32.0 46 453
Female 209 5.0 ± 5.9 0.0 0.0 31.0 25 234
Male 198 6.0 ± 5.9 7.0 0.0 32.0 21 219
Child's race vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 7.8 ± 5.0 8.0 0.0 25.0 - 453
White 156 7.7 ± 5.3 8.0 0.0 25.0 - 156
Black 249 7.9 ± 4.9 8.0 0.0 23.0 - 249
Other 48 7.9 ± 5.2 8.5 0.0 20.0 - 48
Child's race vs Minimum duration of hypopnea in NREM sleep in non-supine position: Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with arousal only from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 5.9 7.0 0.0 32.0 46 453
White 147 4.6 ± 5.8 0.0 0.0 31.0 9 156
Black 217 6.2 ± 5.9 7.0 0.0 32.0 32 249
Other 43 5.0 ± 5.2 6.0 0.0 17.0 5 48