Histogram

Visit Number vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 10.7 ± 17.0 2.8 0.0 120.0 - 453
Follow-up 407 6.2 ± 13.5 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 and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 10.7 ± 17.0 2.8 0.0 120.0 - 453
Early adenotonsillectomy (EAT) 226 10.4 ± 14.8 3.5 0.0 77.0 - 226
Watchful waiting with supportive care (WWSC) 227 11.1 ± 19.0 2.4 0.0 120.0 - 227
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 6.2 ± 13.5 0.0 0.0 90.0 46 453
Early adenotonsillectomy (EAT) 199 3.9 ± 9.5 0.0 0.0 68.6 27 226
Watchful waiting with supportive care (WWSC) 208 8.3 ± 16.2 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 and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 10.7 ± 17.0 2.8 0.0 120.0 - 453
5 - 7 years old 329 10.2 ± 15.6 2.6 0.0 84.0 - 329
8 - 10 years old 124 12.0 ± 20.2 3.2 0.0 120.0 - 124
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 6.2 ± 13.6 0.0 0.0 90.0 2 399
5 - 7 years old 260 6.0 ± 13.6 0.0 0.0 90.0 2 262
8 - 10 years old 137 6.5 ± 13.7 0.0 0.0 88.3 - 137
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 10.7 ± 17.0 2.8 0.0 120.0 - 453
Female 234 12.1 ± 19.5 3.0 0.0 120.0 - 234
Male 219 9.3 ± 13.8 2.6 0.0 77.0 - 219
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 6.2 ± 13.5 0.0 0.0 90.0 46 453
Female 209 5.8 ± 12.4 0.0 0.0 88.3 25 234
Male 198 6.6 ± 14.6 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 and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 10.7 ± 17.0 2.8 0.0 120.0 - 453
White 156 7.4 ± 12.4 2.3 0.0 57.1 - 156
Black 249 12.9 ± 19.2 6.2 0.0 120.0 - 249
Other 48 9.9 ± 16.6 2.1 0.0 63.0 - 48
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with no oxygen desaturation threshold used and with or without arousal) / hour of REM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 6.2 ± 13.5 0.0 0.0 90.0 46 453
White 147 5.5 ± 12.7 0.0 0.0 82.2 9 156
Black 217 6.9 ± 14.6 0.0 0.0 90.0 32 249
Other 43 4.7 ± 10.1 0.7 0.0 50.5 5 48