Name

nova_est_co2peak

Label

Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)

Calculation
nova_est_co2peak = (rco2peak * 0.79956) + 9.17655
Units
percent (%)
Type
numeric
Visit Number vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
N Mean StdDev Median Min Max Unknown Total
Baseline 364 54.4 ± 4.0 54.2 44.4 68.4 100 464
Follow-up 324 54.0 ± 3.8 53.9 38.5 68.0 129 453
Treatment Arm vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 54.4 ± 4.0 54.2 44.4 68.4 89 453
Early adenotonsillectomy (EAT) 186 54.8 ± 3.9 54.6 44.4 68.4 40 226
Watchful waiting with supportive care (WWSC) 178 54.0 ± 4.0 53.9 45.5 66.8 49 227
Treatment Arm vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 54.0 ± 3.8 53.9 38.5 68.0 129 453
Early adenotonsillectomy (EAT) 161 53.8 ± 3.5 53.8 38.5 61.9 65 226
Watchful waiting with supportive care (WWSC) 163 54.2 ± 4.2 53.9 38.5 68.0 64 227
Age vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 54.4 ± 4.0 54.2 44.4 68.4 89 453
5 - 7 years old 271 54.5 ± 4.1 54.4 44.4 68.4 58 329
8 - 10 years old 93 54.1 ± 3.6 53.9 45.5 66.8 31 124
Age vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 316 54.0 ± 3.9 53.9 38.5 68.0 83 399
5 - 7 years old 217 54.3 ± 3.5 54.2 41.7 68.0 45 262
8 - 10 years old 99 53.4 ± 4.5 53.3 38.5 63.7 38 137
Gender vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 54.4 ± 4.0 54.2 44.4 68.4 89 453
Female 185 54.3 ± 3.9 53.8 44.4 68.4 49 234
Male 179 54.5 ± 4.0 54.6 45.5 66.8 40 219
Gender vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 54.0 ± 3.8 53.9 38.5 68.0 129 453
Female 164 53.6 ± 3.6 53.4 38.5 67.1 70 234
Male 160 54.3 ± 4.0 54.3 38.5 68.0 59 219
Race vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 54.4 ± 4.0 54.2 44.4 68.4 89 453
White 119 53.5 ± 3.7 53.2 45.7 64.8 37 156
Black 212 54.8 ± 3.9 54.7 45.5 68.4 37 249
Other 33 54.9 ± 4.9 53.8 44.4 66.8 15 48
Race vs Peak end-tidal carbon dioxide (ETCO2) asleep (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 54.0 ± 3.8 53.9 38.5 68.0 129 453
White 107 53.1 ± 3.1 53.5 41.7 60.5 49 156
Black 186 54.6 ± 4.1 54.5 38.5 68.0 63 249
Other 31 53.3 ± 4.0 53.3 38.5 61.9 17 48