Age

Visit Number vs Working memory percentile
N Mean StdDev Median Min Max Unknown Total
Baseline 318 70.0 ± 23.9 77.0 10.0 100.0 135 453
Follow-up 280 67.8 ± 23.8 70.0 10.0 100.0 173 453
Treatment Arm vs Working memory percentile
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 70.0 ± 23.9 77.0 10.0 100.0 135 453
Early adenotonsillectomy (EAT) 161 70.1 ± 24.0 77.0 10.0 100.0 65 226
Watchful waiting with supportive care (WWSC) 157 69.9 ± 24.0 77.0 10.0 100.0 70 227
Treatment Arm vs Working memory percentile
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 280 67.8 ± 23.8 70.0 10.0 100.0 173 453
Early adenotonsillectomy (EAT) 136 66.0 ± 23.9 66.0 10.0 100.0 90 226
Watchful waiting with supportive care (WWSC) 144 69.4 ± 23.7 75.0 10.0 100.0 83 227
Child's age vs Working memory percentile
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 70.0 ± 23.9 77.0 10.0 100.0 135 453
5 - 7 years old 232 68.8 ± 24.6 77.0 10.0 100.0 97 329
8 - 10 years old 86 73.1 ± 21.8 76.0 10.0 100.0 38 124
Child's age vs Working memory percentile
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 278 67.8 ± 23.8 70.0 10.0 100.0 121 399
5 - 7 years old 191 65.4 ± 25.0 66.0 10.0 100.0 71 262
8 - 10 years old 87 73.0 ± 20.2 75.0 30.0 100.0 50 137
Child's gender vs Working memory percentile
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 70.0 ± 23.9 77.0 10.0 100.0 135 453
Female 160 67.6 ± 22.6 72.5 10.0 100.0 74 234
Male 158 72.4 ± 25.0 80.0 10.0 100.0 61 219
Child's gender vs Working memory percentile
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 280 67.8 ± 23.8 70.0 10.0 100.0 173 453
Female 149 67.8 ± 21.4 66.0 30.0 100.0 85 234
Male 131 67.6 ± 26.4 77.0 10.0 100.0 88 219
Child's race vs Working memory percentile
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 318 70.0 ± 23.9 77.0 10.0 100.0 135 453
White 119 67.3 ± 24.8 73.0 10.0 99.0 37 156
Black 169 72.3 ± 23.5 80.0 10.0 100.0 80 249
Other 30 67.7 ± 22.2 70.0 30.0 97.0 18 48
Child's race vs Working memory percentile
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 280 67.8 ± 23.8 70.0 10.0 100.0 173 453
White 111 63.5 ± 24.6 65.0 10.0 100.0 45 156
Black 141 70.9 ± 23.2 74.0 10.0 100.0 108 249
Other 28 69.0 ± 21.8 74.0 30.0 99.0 20 48