Table 4.
Multivariable analysis of validation cohort: University of Chicago
| Mortality | Odds ratio | P value | [95% conf. interval] | |
|---|---|---|---|---|
| Arterial-ET difference | 1.03 | 0.031 | 1.01 | 1.06 |
| Age | 1.02 | 0.012 | 1.01 | 1.04 |
| APACHE II | 1.07 | < 0.001 | 1.04 | 1.10 |
| Vasopressor requirement | 0.029 | |||
| Ventilator mode* | ||||
| Assist control | – | – | – | |
| APRV | 897,712.43 | 0.992 | 8.55 × 10–102–NA | |
| Pressure control | 8,997,732.21 | 0.984 | 6.72 × 10–49–NA | |
| Pressure support | 8,997,732.21 | 0.992 | 2.08 × 10−02–NA | |
| SIMV | 38.97 | 0.410 | 0.0193–2.75 | |
Arterial-ET Difference arterial end-tidal CO2 difference, APACHE acute physiology and chronic health evaluation