Race

Visit Number vs Total duration of A2-phases/total duration of NREM sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 452 0.005 ± 0.005 0.003 0.0 0.05 1 453
Follow-up 407 0.005 ± 0.006 0.004 0.0 0.04 46 453
Treatment Arm vs Total duration of A2-phases/total duration of NREM sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 452 0.005 ± 0.005 0.003 0.0 0.05 1 453
Early adenotonsillectomy (EAT) 225 0.005 ± 0.006 0.004 0.0 0.05 1 226
Watchful waiting with supportive care (WWSC) 227 0.004 ± 0.004 0.003 0.0 0.03 - 227
Treatment Arm vs Total duration of A2-phases/total duration of NREM sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.005 ± 0.006 0.004 0.0 0.04 46 453
Early adenotonsillectomy (EAT) 199 0.006 ± 0.006 0.004 0.0 0.04 27 226
Watchful waiting with supportive care (WWSC) 208 0.004 ± 0.005 0.003 0.0 0.04 19 227
Child's age vs Total duration of A2-phases/total duration of NREM sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 452 0.005 ± 0.005 0.003 0.0 0.05 1 453
5 - 7 years old 328 0.005 ± 0.005 0.003 0.0 0.05 1 329
8 - 10 years old 124 0.004 ± 0.004 0.002 0.0 0.03 - 124
Child's age vs Total duration of A2-phases/total duration of NREM sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.005 ± 0.006 0.004 0.0 0.04 2 399
5 - 7 years old 260 0.006 ± 0.006 0.004 0.0 0.04 2 262
8 - 10 years old 137 0.004 ± 0.005 0.003 0.0 0.04 - 137
Child's gender vs Total duration of A2-phases/total duration of NREM sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 452 0.005 ± 0.005 0.003 0.0 0.05 1 453
Female 233 0.005 ± 0.005 0.003 0.0 0.03 1 234
Male 219 0.005 ± 0.006 0.003 0.0 0.05 - 219
Child's gender vs Total duration of A2-phases/total duration of NREM sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.005 ± 0.006 0.004 0.0 0.04 46 453
Female 209 0.006 ± 0.006 0.004 0.0 0.04 25 234
Male 198 0.005 ± 0.005 0.003 0.0 0.04 21 219
Child's race vs Total duration of A2-phases/total duration of NREM sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 452 0.005 ± 0.005 0.003 0.0 0.05 1 453
White 156 0.005 ± 0.005 0.004 0.0 0.03 - 156
Black 249 0.004 ± 0.004 0.003 0.0 0.03 - 249
Other 47 0.006 ± 0.008 0.004 0.0 0.05 1 48
Child's race vs Total duration of A2-phases/total duration of NREM sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.005 ± 0.006 0.004 0.0 0.04 46 453
White 147 0.006 ± 0.007 0.005 0.0 0.04 9 156
Black 217 0.004 ± 0.005 0.003 0.0 0.04 32 249
Other 43 0.005 ± 0.005 0.004 0.0 0.03 5 48