Histogram

Visit Number vs Average duration of apnea from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 12.2 ± 2.7 12.2 0.0 22.9 - 453
Follow-up 407 11.0 ± 3.6 11.1 0.0 24.4 46 453
Treatment Arm vs Average duration of apnea from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 12.2 ± 2.7 12.2 0.0 22.9 - 453
Early adenotonsillectomy (EAT) 226 12.3 ± 2.7 12.3 0.0 22.1 - 226
Watchful waiting with supportive care (WWSC) 227 12.1 ± 2.6 12.2 0.0 22.9 - 227
Treatment Arm vs Average duration of apnea from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.0 ± 3.6 11.1 0.0 24.4 46 453
Early adenotonsillectomy (EAT) 199 10.1 ± 3.3 10.3 0.0 18.3 27 226
Watchful waiting with supportive care (WWSC) 208 11.9 ± 3.7 11.8 0.0 24.4 19 227
Child's age vs Average duration of apnea from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 12.2 ± 2.7 12.2 0.0 22.9 - 453
5 - 7 years old 329 12.4 ± 2.6 12.2 0.0 22.9 - 329
8 - 10 years old 124 11.8 ± 3.0 12.3 0.0 20.2 - 124
Child's age vs Average duration of apnea from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 11.1 ± 3.6 11.1 0.0 24.4 2 399
5 - 7 years old 260 11.3 ± 3.4 11.4 0.0 24.4 2 262
8 - 10 years old 137 10.7 ± 3.8 10.8 0.0 20.9 - 137
Child's gender vs Average duration of apnea from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 12.2 ± 2.7 12.2 0.0 22.9 - 453
Female 234 11.8 ± 2.6 11.9 0.0 22.9 - 234
Male 219 12.7 ± 2.7 12.6 0.0 22.1 - 219
Child's gender vs Average duration of apnea from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.0 ± 3.6 11.1 0.0 24.4 46 453
Female 209 10.7 ± 3.4 10.8 0.0 20.9 25 234
Male 198 11.4 ± 3.9 11.4 0.0 24.4 21 219
Child's race vs Average duration of apnea from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 12.2 ± 2.7 12.2 0.0 22.9 - 453
White 156 11.9 ± 2.7 12.1 0.0 17.8 - 156
Black 249 12.4 ± 2.7 12.3 0.0 22.9 - 249
Other 48 12.4 ± 2.3 12.2 7.0 18.9 - 48
Child's race vs Average duration of apnea from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 11.0 ± 3.6 11.1 0.0 24.4 46 453
White 147 10.8 ± 3.4 11.2 0.0 18.9 9 156
Black 217 11.2 ± 3.7 11.0 0.0 23.8 32 249
Other 43 11.1 ± 3.9 11.2 0.0 24.4 5 48