Age

Visit Number vs Average 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 8.4 ± 9.5 8.0 0.0 45.0 - 453
Follow-up 407 4.2 ± 7.6 0.0 0.0 36.0 46 453
Treatment Arm vs Average 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 8.4 ± 9.5 8.0 0.0 45.0 - 453
Early adenotonsillectomy (EAT) 226 9.0 ± 9.4 8.5 0.0 43.0 - 226
Watchful waiting with supportive care (WWSC) 227 7.8 ± 9.5 0.0 0.0 45.0 - 227
Treatment Arm vs Average 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 4.2 ± 7.6 0.0 0.0 36.0 46 453
Early adenotonsillectomy (EAT) 199 2.1 ± 5.6 0.0 0.0 36.0 27 226
Watchful waiting with supportive care (WWSC) 208 6.1 ± 8.7 0.0 0.0 36.0 19 227
Child's age vs Average 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 8.4 ± 9.5 8.0 0.0 45.0 - 453
5 - 7 years old 329 8.7 ± 9.6 8.0 0.0 45.0 - 329
8 - 10 years old 124 7.6 ± 9.0 0.0 0.0 40.0 - 124
Child's age vs Average 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 4.2 ± 7.6 0.0 0.0 36.0 2 399
5 - 7 years old 260 4.0 ± 7.3 0.0 0.0 36.0 2 262
8 - 10 years old 137 4.4 ± 8.2 0.0 0.0 31.0 - 137
Child's gender vs Average 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 8.4 ± 9.5 8.0 0.0 45.0 - 453
Female 234 8.7 ± 9.4 8.0 0.0 45.0 - 234
Male 219 8.1 ± 9.6 0.0 0.0 40.0 - 219
Child's gender vs Average 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 4.2 ± 7.6 0.0 0.0 36.0 46 453
Female 209 4.3 ± 7.5 0.0 0.0 36.0 25 234
Male 198 4.0 ± 7.7 0.0 0.0 36.0 21 219
Child's race vs Average 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 8.4 ± 9.5 8.0 0.0 45.0 - 453
White 156 6.5 ± 9.2 0.0 0.0 45.0 - 156
Black 249 9.1 ± 9.6 9.0 0.0 43.0 - 249
Other 48 10.8 ± 8.5 12.0 0.0 26.0 - 48
Child's race vs Average 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 4.2 ± 7.6 0.0 0.0 36.0 46 453
White 147 2.9 ± 6.4 0.0 0.0 29.0 9 156
Black 217 5.3 ± 8.5 0.0 0.0 36.0 32 249
Other 43 2.6 ± 5.8 0.0 0.0 20.0 5 48