Treatment Arm

Visit Number vs Minimum duration of hypopnea in REM 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 6.5 ± 7.9 7.0 0.0 45.0 - 453
Follow-up 407 3.3 ± 6.1 0.0 0.0 36.0 46 453
Treatment Arm vs Minimum duration of hypopnea in REM 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 6.5 ± 7.9 7.0 0.0 45.0 - 453
Early adenotonsillectomy (EAT) 226 7.0 ± 7.8 7.0 0.0 43.0 - 226
Watchful waiting with supportive care (WWSC) 227 6.1 ± 8.1 0.0 0.0 45.0 - 227
Treatment Arm vs Minimum duration of hypopnea in REM 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 3.3 ± 6.1 0.0 0.0 36.0 46 453
Early adenotonsillectomy (EAT) 199 1.7 ± 4.4 0.0 0.0 26.0 27 226
Watchful waiting with supportive care (WWSC) 208 4.7 ± 7.1 0.0 0.0 36.0 19 227
Child's age vs Minimum duration of hypopnea in REM 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 6.5 ± 7.9 7.0 0.0 45.0 - 453
5 - 7 years old 329 6.7 ± 8.0 7.0 0.0 45.0 - 329
8 - 10 years old 124 6.1 ± 7.7 0.0 0.0 40.0 - 124
Child's age vs Minimum duration of hypopnea in REM 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 3.2 ± 6.1 0.0 0.0 36.0 2 399
5 - 7 years old 260 3.1 ± 5.8 0.0 0.0 36.0 2 262
8 - 10 years old 137 3.6 ± 6.6 0.0 0.0 28.0 - 137
Child's gender vs Minimum duration of hypopnea in REM 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 6.5 ± 7.9 7.0 0.0 45.0 - 453
Female 234 6.6 ± 7.8 7.0 0.0 45.0 - 234
Male 219 6.5 ± 8.1 0.0 0.0 40.0 - 219
Child's gender vs Minimum duration of hypopnea in REM 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 3.3 ± 6.1 0.0 0.0 36.0 46 453
Female 209 3.3 ± 5.7 0.0 0.0 28.0 25 234
Male 198 3.3 ± 6.5 0.0 0.0 36.0 21 219
Child's race vs Minimum duration of hypopnea in REM 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 6.5 ± 7.9 7.0 0.0 45.0 - 453
White 156 5.5 ± 8.0 0.0 0.0 45.0 - 156
Black 249 6.9 ± 8.0 7.0 0.0 43.0 - 249
Other 48 8.4 ± 7.0 9.0 0.0 26.0 - 48
Child's race vs Minimum duration of hypopnea in REM 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 3.3 ± 6.1 0.0 0.0 36.0 46 453
White 147 2.5 ± 5.5 0.0 0.0 28.0 9 156
Black 217 4.0 ± 6.6 0.0 0.0 36.0 32 249
Other 43 2.2 ± 5.1 0.0 0.0 19.0 5 48