Age

Visit Number vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 15.2 ± 17.2 9.1 0.0 93.1 - 453
Follow-up 407 8.7 ± 15.2 3.2 0.0 111.1 46 453
Treatment Arm vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.2 ± 17.2 9.1 0.0 93.1 - 453
Early adenotonsillectomy (EAT) 226 15.6 ± 17.3 9.5 0.0 90.0 - 226
Watchful waiting with supportive care (WWSC) 227 14.8 ± 17.1 8.7 0.0 93.1 - 227
Treatment Arm vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.7 ± 15.2 3.2 0.0 111.1 46 453
Early adenotonsillectomy (EAT) 199 4.9 ± 8.3 2.4 0.0 63.3 27 226
Watchful waiting with supportive care (WWSC) 208 12.3 ± 19.0 4.0 0.0 111.1 19 227
Child's age vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.2 ± 17.2 9.1 0.0 93.1 - 453
5 - 7 years old 329 15.4 ± 17.1 9.1 0.0 90.0 - 329
8 - 10 years old 124 14.8 ± 17.4 9.2 0.0 93.1 - 124
Child's age vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 8.8 ± 15.4 3.3 0.0 111.1 2 399
5 - 7 years old 260 9.2 ± 16.5 3.2 0.0 111.1 2 262
8 - 10 years old 137 8.2 ± 13.0 3.4 0.0 80.6 - 137
Child's gender vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.2 ± 17.2 9.1 0.0 93.1 - 453
Female 234 15.7 ± 17.3 10.0 0.0 93.1 - 234
Male 219 14.6 ± 17.1 8.2 0.0 90.4 - 219
Child's gender vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.7 ± 15.2 3.2 0.0 111.1 46 453
Female 209 8.9 ± 15.7 3.3 0.0 103.4 25 234
Male 198 8.5 ± 14.8 3.1 0.0 111.1 21 219
Child's race vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 15.2 ± 17.2 9.1 0.0 93.1 - 453
White 156 11.1 ± 14.0 5.4 0.0 70.0 - 156
Black 249 17.7 ± 17.7 12.0 0.0 93.1 - 249
Other 48 15.5 ± 21.4 8.0 0.0 90.4 - 48
Child's race vs Apnea-Hypopnea Index (REM): (Apneas with >= 2% oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and with >= 2% oxygen desaturation used and with or without arousal) / hours of REM sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 8.7 ± 15.2 3.2 0.0 111.1 46 453
White 147 6.8 ± 14.9 2.8 0.0 111.1 9 156
Black 217 10.8 ± 16.4 3.6 0.0 80.6 32 249
Other 43 4.8 ± 6.4 2.4 0.0 30.0 5 48