Name
nova_est_co2avgr
Label
Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Description

For BCI: nova_est_co2avgr = (rco2avgr * 0.70253) + 10.67195

Calculation
nova_est_co2avgr = (rco2avgr * 0.70253) + 10.67195
Units
percentage of carbon dioxide
Type
numeric
Visit Number vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
N Mean StdDev Median Min Max Unknown Total
Baseline 363 43.7 ± 3.7 43.5 32.9 53.7 90 453
Follow-up 324 43.4 ± 3.5 43.5 31.3 55.9 129 453
Treatment Arm vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 363 43.7 ± 3.7 43.5 32.9 53.7 90 453
Early adenotonsillectomy 186 44.1 ± 3.6 44.0 34.9 53.2 40 226
Watchful waiting 177 43.3 ± 3.9 43.2 32.9 53.7 50 227
Treatment Arm vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 43.4 ± 3.5 43.5 31.3 55.9 129 453
Early adenotonsillectomy 161 43.3 ± 3.4 43.4 31.3 51.2 65 226
Watchful waiting 163 43.6 ± 3.6 43.6 32.5 55.9 64 227
Age vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 363 43.7 ± 3.7 43.5 32.9 53.7 90 453
5-7 yrs old 270 43.6 ± 3.7 43.4 34.1 53.2 59 329
8-10 yrs old 93 43.8 ± 3.8 43.9 32.9 53.7 31 124
Age vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 316 43.4 ± 3.5 43.5 31.3 55.9 83 399
5-7 yrs old 217 43.6 ± 3.1 43.6 32.5 55.9 45 262
8-10 yrs old 99 43.1 ± 4.2 43.0 31.3 51.2 38 137
Gender vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 363 43.7 ± 3.7 43.5 32.9 53.7 90 453
Female 185 43.8 ± 3.8 43.4 34.1 53.1 49 234
Male 178 43.5 ± 3.7 43.6 32.9 53.7 41 219
Gender vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 43.4 ± 3.5 43.5 31.3 55.9 129 453
Female 164 43.3 ± 3.2 43.6 32.9 51.6 70 234
Male 160 43.6 ± 3.8 43.5 31.3 55.9 59 219
Race vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 363 43.7 ± 3.7 43.5 32.9 53.7 90 453
White 119 42.4 ± 3.4 42.5 32.9 52.5 37 156
Black 211 44.4 ± 3.7 44.4 34.9 53.2 38 249
Other 33 43.9 ± 4.2 43.2 37.1 53.7 15 48
Race vs Average end-tidal carbon dioxide in REM (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 43.4 ± 3.5 43.5 31.3 55.9 129 453
White 107 42.8 ± 2.9 42.6 32.5 49.1 49 156
Black 186 44.0 ± 3.7 44.0 32.5 55.9 63 249
Other 31 42.5 ± 3.2 43.3 31.3 48.8 17 48