Treatment Arm

Visit Number vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
N Mean StdDev Median Min Max Unknown Total
Baseline 364 44.6 ± 3.3 44.4 35.0 53.9 89 453
Follow-up 324 44.6 ± 3.2 44.6 32.5 54.4 129 453
Treatment Arm vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 44.6 ± 3.3 44.4 35.0 53.9 89 453
Early adenotonsillectomy (EAT) 186 44.8 ± 3.3 44.5 36.7 53.9 40 226
Watchful waiting with supportive care (WWSC) 178 44.4 ± 3.2 44.3 35.0 52.0 49 227
Treatment Arm vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 44.6 ± 3.2 44.6 32.5 54.4 129 453
Early adenotonsillectomy (EAT) 161 44.5 ± 3.1 44.6 32.5 51.5 65 226
Watchful waiting with supportive care (WWSC) 163 44.8 ± 3.3 44.7 32.8 54.4 64 227
Child's age vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 44.6 ± 3.3 44.4 35.0 53.9 89 453
5 - 7 years old 271 44.6 ± 3.3 44.3 35.0 53.9 58 329
8 - 10 years old 93 44.7 ± 3.1 44.5 36.2 51.9 31 124
Child's age vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 316 44.6 ± 3.2 44.6 32.5 54.4 83 399
5 - 7 years old 217 44.8 ± 2.9 44.8 33.6 54.4 45 262
8 - 10 years old 99 44.2 ± 3.9 44.3 32.5 51.5 38 137
Child's gender vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 44.6 ± 3.3 44.4 35.0 53.9 89 453
Female 185 44.7 ± 3.3 44.5 35.0 53.9 49 234
Male 179 44.4 ± 3.3 44.4 36.0 53.4 40 219
Child's gender vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 44.6 ± 3.2 44.6 32.5 54.4 129 453
Female 164 44.5 ± 2.9 44.5 34.1 52.0 70 234
Male 160 44.8 ± 3.5 44.8 32.5 54.4 59 219
Child's race vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 44.6 ± 3.3 44.4 35.0 53.9 89 453
White 119 43.9 ± 3.1 43.7 35.0 53.9 37 156
Black 212 44.9 ± 3.3 44.9 36.0 53.4 37 249
Other 33 44.9 ± 3.5 44.0 37.7 51.9 15 48
Child's race vs Baseline end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 44.6 ± 3.2 44.6 32.5 54.4 129 453
White 107 44.4 ± 2.8 44.2 33.6 52.0 49 156
Black 186 44.9 ± 3.5 45.1 32.8 54.4 63 249
Other 31 44.1 ± 3.0 44.5 32.5 49.8 17 48