Histogram

Visit Number vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 1.6 ± 2.6 0.7 0.0 20.4 - 453
Follow-up 407 0.9 ± 2.8 0.0 0.0 40.5 46 453
Treatment Arm vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.6 ± 2.6 0.7 0.0 20.4 - 453
Early adenotonsillectomy (EAT) 226 1.6 ± 2.7 0.8 0.0 20.4 - 226
Watchful waiting with supportive care (WWSC) 227 1.5 ± 2.4 0.0 0.0 10.9 - 227
Treatment Arm vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 2.8 0.0 0.0 40.5 46 453
Early adenotonsillectomy (EAT) 199 0.3 ± 1.2 0.0 0.0 13.2 27 226
Watchful waiting with supportive care (WWSC) 208 1.4 ± 3.6 0.0 0.0 40.5 19 227
Child's age vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.6 ± 2.6 0.7 0.0 20.4 - 453
5 - 7 years old 329 1.6 ± 2.5 0.7 0.0 20.4 - 329
8 - 10 years old 124 1.5 ± 2.6 0.0 0.0 13.6 - 124
Child's age vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.9 ± 2.8 0.0 0.0 40.5 2 399
5 - 7 years old 260 0.9 ± 3.0 0.0 0.0 40.5 2 262
8 - 10 years old 137 0.8 ± 2.3 0.0 0.0 19.1 - 137
Child's gender vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.6 ± 2.6 0.7 0.0 20.4 - 453
Female 234 1.8 ± 2.9 0.9 0.0 20.4 - 234
Male 219 1.3 ± 2.1 0.0 0.0 10.6 - 219
Child's gender vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 2.8 0.0 0.0 40.5 46 453
Female 209 0.9 ± 2.2 0.0 0.0 19.1 25 234
Male 198 0.9 ± 3.3 0.0 0.0 40.5 21 219
Child's race vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 1.6 ± 2.6 0.7 0.0 20.4 - 453
White 156 1.0 ± 1.7 0.0 0.0 10.9 - 156
Black 249 1.8 ± 2.9 0.8 0.0 20.4 - 249
Other 48 2.0 ± 2.6 1.4 0.0 13.0 - 48
Child's race vs Hypopnea Index (REM, Non-Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used only with arousal) / hour of REM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 2.8 0.0 0.0 40.5 46 453
White 147 0.4 ± 1.0 0.0 0.0 5.2 9 156
Black 217 1.3 ± 3.6 0.0 0.0 40.5 32 249
Other 43 0.5 ± 1.2 0.0 0.0 5.7 5 48