Factors associated with hypocarbia
| Variable | Odds ratio | (95% confidence interval) |
|---|---|---|
| PIP <14 cm H2O | 4.79 | (1.87, 12.31) |
| PIP 14–16 cm H2O | 2.33 | (0.95, 5.73) |
| PIP >16 cm H2O | Reference | |
| FiO2<0.30 | 3.42 | (1.41, 8.34) |
| FiO20.30–0.60 | 1.05 | (0.33, 3.25) |
| FiO2>0.60 | Reference |