capnotype nova_est_co2avgnr
Name
co2dur
Label
Hours of usable carbon dioxide
Description

Hours of usable carbon dioxide signal - requires use of calibrated channel type with upper and lower limites for valid signal

Units
hours
Type
numeric
Visit Number vs Hours of usable carbon dioxide
N Mean StdDev Median Min Max Unknown Total
Baseline 453 5.5 ± 2.8 7.0 0.0 9.0 - 453
Follow-up 407 5.4 ± 3.1 7.0 0.0 9.0 46 453
Age vs Hours of usable carbon dioxide
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 2.8 7.0 0.0 9.0 - 453
5-7 yrs old 329 5.6 ± 2.8 7.0 0.0 9.0 - 329
8-10 yrs old 124 5.3 ± 3.0 7.0 0.0 8.0 - 124
Age vs Hours of usable carbon dioxide
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 5.4 ± 3.1 7.0 0.0 9.0 2 399
5-7 yrs old 260 5.8 ± 2.8 7.0 0.0 9.0 2 262
8-10 yrs old 137 4.9 ± 3.4 7.0 0.0 9.0 - 137
Gender vs Hours of usable carbon dioxide
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 2.8 7.0 0.0 9.0 - 453
Female 234 5.5 ± 2.9 7.0 0.0 9.0 - 234
Male 219 5.5 ± 2.8 7.0 0.0 9.0 - 219
Gender vs Hours of usable carbon dioxide
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.4 ± 3.1 7.0 0.0 9.0 46 453
Female 209 5.4 ± 3.0 7.0 0.0 9.0 25 234
Male 198 5.4 ± 3.1 7.0 0.0 9.0 21 219
Race vs Hours of usable carbon dioxide
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.5 ± 2.8 7.0 0.0 9.0 - 453
Black 249 5.9 ± 2.5 7.0 0.0 9.0 - 249
White 156 4.9 ± 3.0 6.0 0.0 8.0 - 156
Other 48 5.0 ± 3.2 7.0 0.0 9.0 - 48
Race vs Hours of usable carbon dioxide
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 5.4 ± 3.1 7.0 0.0 9.0 46 453
Black 217 5.9 ± 2.8 7.0 0.0 9.0 32 249
White 147 4.9 ± 3.3 7.0 0.0 9.0 9 156
Other 43 4.5 ± 3.3 6.0 0.0 9.0 5 48