Age

Visit Number vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 9.3 ± 16.3 0.0 0.0 120.0 - 453
Follow-up 407 5.5 ± 13.0 0.0 0.0 90.0 46 453
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 9.3 ± 16.3 0.0 0.0 120.0 - 453
Early adenotonsillectomy (EAT) 226 8.7 ± 13.8 0.0 0.0 77.0 - 226
Watchful waiting with supportive care (WWSC) 227 9.9 ± 18.4 0.0 0.0 120.0 - 227
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 13.0 0.0 0.0 90.0 46 453
Early adenotonsillectomy (EAT) 199 3.3 ± 8.7 0.0 0.0 68.6 27 226
Watchful waiting with supportive care (WWSC) 208 7.6 ± 15.7 0.0 0.0 90.0 19 227
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 9.3 ± 16.3 0.0 0.0 120.0 - 453
5 - 7 years old 329 8.8 ± 15.3 0.0 0.0 84.0 - 329
8 - 10 years old 124 10.5 ± 18.7 1.5 0.0 120.0 - 124
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 5.6 ± 13.1 0.0 0.0 90.0 2 399
5 - 7 years old 260 5.5 ± 13.1 0.0 0.0 90.0 2 262
8 - 10 years old 137 5.8 ± 13.2 0.0 0.0 86.0 - 137
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 9.3 ± 16.3 0.0 0.0 120.0 - 453
Female 234 10.4 ± 18.6 0.0 0.0 120.0 - 234
Male 219 8.1 ± 13.4 0.0 0.0 77.0 - 219
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 13.0 0.0 0.0 90.0 46 453
Female 209 5.0 ± 11.8 0.0 0.0 86.0 25 234
Male 198 6.0 ± 14.1 0.0 0.0 90.0 21 219
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 9.3 ± 16.3 0.0 0.0 120.0 - 453
White 156 6.2 ± 12.0 0.0 0.0 54.5 - 156
Black 249 11.6 ± 18.4 3.7 0.0 120.0 - 249
Other 48 7.6 ± 15.2 0.0 0.0 62.4 - 48
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.5 ± 13.0 0.0 0.0 90.0 46 453
White 147 4.7 ± 12.3 0.0 0.0 82.2 9 156
Black 217 6.2 ± 13.8 0.0 0.0 90.0 32 249
Other 43 4.4 ± 10.1 0.0 0.0 50.5 5 48