Treatment Arm

Visit Number vs Maximum duration of hypopnea in REM 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 7.5 ± 10.7 0.0 0.0 47.0 - 453
Follow-up 407 4.7 ± 8.9 0.0 0.0 45.0 46 453
Treatment Arm vs Maximum duration of hypopnea in REM 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 7.5 ± 10.7 0.0 0.0 47.0 - 453
Early adenotonsillectomy (EAT) 226 8.0 ± 11.1 0.0 0.0 47.0 - 226
Watchful waiting with supportive care (WWSC) 227 7.0 ± 10.3 0.0 0.0 40.0 - 227
Treatment Arm vs Maximum duration of hypopnea in REM 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 4.7 ± 8.9 0.0 0.0 45.0 46 453
Early adenotonsillectomy (EAT) 199 3.6 ± 7.5 0.0 0.0 45.0 27 226
Watchful waiting with supportive care (WWSC) 208 5.8 ± 10.0 0.0 0.0 43.0 19 227
Child's age vs Maximum duration of hypopnea in REM 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 7.5 ± 10.7 0.0 0.0 47.0 - 453
5 - 7 years old 329 7.4 ± 10.5 0.0 0.0 42.0 - 329
8 - 10 years old 124 7.7 ± 11.2 0.0 0.0 47.0 - 124
Child's age vs Maximum duration of hypopnea in REM 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 4.7 ± 8.9 0.0 0.0 45.0 2 399
5 - 7 years old 260 4.9 ± 9.4 0.0 0.0 45.0 2 262
8 - 10 years old 137 4.4 ± 7.7 0.0 0.0 32.0 - 137
Child's gender vs Maximum duration of hypopnea in REM 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 7.5 ± 10.7 0.0 0.0 47.0 - 453
Female 234 7.0 ± 10.5 0.0 0.0 42.0 - 234
Male 219 8.0 ± 10.9 0.0 0.0 47.0 - 219
Child's gender vs Maximum duration of hypopnea in REM 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 4.7 ± 8.9 0.0 0.0 45.0 46 453
Female 209 4.9 ± 9.2 0.0 0.0 43.0 25 234
Male 198 4.6 ± 8.7 0.0 0.0 45.0 21 219
Child's race vs Maximum duration of hypopnea in REM 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 7.5 ± 10.7 0.0 0.0 47.0 - 453
White 156 7.0 ± 10.5 0.0 0.0 47.0 - 156
Black 249 7.6 ± 10.7 0.0 0.0 42.0 - 249
Other 48 8.2 ± 11.6 0.0 0.0 37.0 - 48
Child's race vs Maximum duration of hypopnea in REM 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 4.7 ± 8.9 0.0 0.0 45.0 46 453
White 147 4.8 ± 8.8 0.0 0.0 42.0 9 156
Black 217 4.7 ± 8.9 0.0 0.0 45.0 32 249
Other 43 4.9 ± 9.9 0.0 0.0 43.0 5 48