Treatment Arm

Visit Number vs Total number of hypopnea in NREM sleep in 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 4.0 ± 5.7 2.0 0.0 49.0 - 453
Follow-up 407 2.5 ± 5.5 1.0 0.0 53.0 46 453
Treatment Arm vs Total number of hypopnea in NREM sleep in 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 4.0 ± 5.7 2.0 0.0 49.0 - 453
Early adenotonsillectomy (EAT) 226 3.9 ± 5.4 2.0 0.0 40.0 - 226
Watchful waiting with supportive care (WWSC) 227 4.2 ± 6.1 2.0 0.0 49.0 - 227
Treatment Arm vs Total number of hypopnea in NREM sleep in 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 2.5 ± 5.5 1.0 0.0 53.0 46 453
Early adenotonsillectomy (EAT) 199 1.4 ± 3.1 0.0 0.0 25.0 27 226
Watchful waiting with supportive care (WWSC) 208 3.6 ± 6.8 1.0 0.0 53.0 19 227
Child's age vs Total number of hypopnea in NREM sleep in 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 4.0 ± 5.7 2.0 0.0 49.0 - 453
5 - 7 years old 329 3.6 ± 5.3 2.0 0.0 49.0 - 329
8 - 10 years old 124 5.2 ± 6.6 3.0 0.0 40.0 - 124
Child's age vs Total number of hypopnea in NREM sleep in 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 2.5 ± 5.5 1.0 0.0 53.0 2 399
5 - 7 years old 260 2.3 ± 5.4 1.0 0.0 53.0 2 262
8 - 10 years old 137 2.9 ± 5.6 1.0 0.0 47.0 - 137
Child's gender vs Total number of hypopnea in NREM sleep in 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 4.0 ± 5.7 2.0 0.0 49.0 - 453
Female 234 4.1 ± 5.8 2.0 0.0 40.0 - 234
Male 219 4.0 ± 5.7 2.0 0.0 49.0 - 219
Child's gender vs Total number of hypopnea in NREM sleep in 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 2.5 ± 5.5 1.0 0.0 53.0 46 453
Female 209 2.3 ± 4.1 1.0 0.0 23.0 25 234
Male 198 2.8 ± 6.6 1.0 0.0 53.0 21 219
Child's race vs Total number of hypopnea in NREM sleep in 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 4.0 ± 5.7 2.0 0.0 49.0 - 453
White 156 5.0 ± 7.0 2.0 0.0 49.0 - 156
Black 249 3.4 ± 4.5 2.0 0.0 29.0 - 249
Other 48 4.3 ± 6.4 1.5 0.0 32.0 - 48
Child's race vs Total number of hypopnea in NREM sleep in 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 2.5 ± 5.5 1.0 0.0 53.0 46 453
White 147 2.9 ± 6.3 1.0 0.0 53.0 9 156
Black 217 2.0 ± 4.6 0.0 0.0 47.0 32 249
Other 43 3.8 ± 6.2 1.0 0.0 28.0 5 48