Treatment Arm

Visit Number vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 2.5 ± 5.1 0.0 0.0 31.6 - 453
Follow-up 407 1.7 ± 6.0 0.0 0.0 90.0 46 453
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.5 ± 5.1 0.0 0.0 31.6 - 453
Early adenotonsillectomy (EAT) 226 2.8 ± 5.3 0.0 0.0 30.0 - 226
Watchful waiting with supportive care (WWSC) 227 2.3 ± 4.9 0.0 0.0 31.6 - 227
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.7 ± 6.0 0.0 0.0 90.0 46 453
Early adenotonsillectomy (EAT) 199 1.1 ± 3.3 0.0 0.0 29.5 27 226
Watchful waiting with supportive care (WWSC) 208 2.3 ± 7.7 0.0 0.0 90.0 19 227
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.5 ± 5.1 0.0 0.0 31.6 - 453
5 - 7 years old 329 2.5 ± 5.0 0.0 0.0 30.0 - 329
8 - 10 years old 124 2.5 ± 5.4 0.0 0.0 31.6 - 124
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 1.6 ± 5.9 0.0 0.0 90.0 2 399
5 - 7 years old 260 1.7 ± 6.5 0.0 0.0 90.0 2 262
8 - 10 years old 137 1.5 ± 4.3 0.0 0.0 30.0 - 137
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.5 ± 5.1 0.0 0.0 31.6 - 453
Female 234 3.0 ± 6.0 0.0 0.0 31.6 - 234
Male 219 2.0 ± 3.9 0.0 0.0 30.0 - 219
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.7 ± 6.0 0.0 0.0 90.0 46 453
Female 209 1.7 ± 4.5 0.0 0.0 29.5 25 234
Male 198 1.6 ± 7.2 0.0 0.0 90.0 21 219
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 2.5 ± 5.1 0.0 0.0 31.6 - 453
White 156 1.9 ± 3.8 0.0 0.0 24.0 - 156
Black 249 2.7 ± 5.3 0.0 0.0 30.0 - 249
Other 48 3.3 ± 7.1 0.0 0.0 31.6 - 48
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 1.7 ± 6.0 0.0 0.0 90.0 46 453
White 147 1.5 ± 4.5 0.0 0.0 30.0 9 156
Black 217 1.9 ± 7.2 0.0 0.0 90.0 32 249
Other 43 1.1 ± 2.8 0.0 0.0 17.1 5 48