Name

nova_est_pctco2g45

Label

Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)

Calculation
nova_est_pctco2g45 = (rpctco2g45 * 0.64525) + 7.67373
Units
percent (%)
Type
numeric
Visit Number vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
N Mean StdDev Median Min Max Unknown Total
Baseline 364 49.2 ± 31.5 50.9 0.0 99.4 100 464
Follow-up 324 52.7 ± 32.5 57.8 0.0 99.3 129 453
Treatment Arm vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 49.2 ± 31.5 50.9 0.0 99.4 89 453
Early adenotonsillectomy (EAT) 186 50.9 ± 31.5 51.9 0.0 99.4 40 226
Watchful waiting with supportive care (WWSC) 178 47.5 ± 31.6 49.1 0.0 99.3 49 227
Treatment Arm vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 52.7 ± 32.5 57.8 0.0 99.3 129 453
Early adenotonsillectomy (EAT) 161 52.6 ± 34.1 61.0 0.0 99.1 65 226
Watchful waiting with supportive care (WWSC) 163 52.8 ± 31.0 56.6 0.0 99.3 64 227
Age vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 49.2 ± 31.5 50.9 0.0 99.4 89 453
5 - 7 years old 271 48.7 ± 31.3 50.7 0.0 99.4 58 329
8 - 10 years old 93 50.8 ± 32.4 52.0 0.1 99.0 31 124
Age vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 316 52.9 ± 32.6 58.4 0.0 99.3 83 399
5 - 7 years old 217 54.1 ± 31.7 60.7 0.0 99.1 45 262
8 - 10 years old 99 50.2 ± 34.6 56.6 0.0 99.3 38 137
Gender vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 49.2 ± 31.5 50.9 0.0 99.4 89 453
Female 185 50.5 ± 31.9 52.0 0.0 99.4 49 234
Male 179 47.8 ± 31.2 49.7 0.1 98.6 40 219
Gender vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 52.7 ± 32.5 57.8 0.0 99.3 129 453
Female 164 50.8 ± 31.4 56.9 0.0 99.0 70 234
Male 160 54.6 ± 33.6 58.8 0.0 99.3 59 219
Race vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 364 49.2 ± 31.5 50.9 0.0 99.4 89 453
White 119 42.1 ± 29.9 38.2 0.0 99.4 37 156
Black 212 53.5 ± 32.2 59.3 0.1 99.3 37 249
Other 33 47.3 ± 29.1 51.8 0.0 97.6 15 48
Race vs Percentage Total Sleep Time (TST) where end-tidal carbon dioxide (ETCO2) > 45 millimeters (mm) mercury (Hg) (normalized for capnograph type)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 324 52.7 ± 32.5 57.8 0.0 99.3 129 453
White 107 48.5 ± 31.9 49.6 0.0 98.9 49 156
Black 186 55.9 ± 33.5 66.0 0.0 99.3 63 249
Other 31 47.8 ± 27.3 49.1 0.0 99.0 17 48