Sensitivity analysis: adjusted measures of association based on full cohort
| OR (95% CI) | P value | |
| Empyema | 1.35 (0.48 to 3.77) | 0.56 |
| Pneumonia | 1.54 (0.97 to 2.46) | 0.068 |
| Death | 0.9 (0.5 to 1.63) | 0.74 |
| Pneumonia or death | 1.31 (0.86 to 2.01) | 0.21 |
| Clostridium difficile colitis | 0.58 (0.12 to 2.87) | 0.51 |
| Rate ratio (95% CI) | P value | |
| ICULOS | 1.52 (1.24 to 1.87) | 0.0001 |
| Hospital LOS | 1.18 (1.05 to 1.31) | 0.0041 |
| Ventilation Days | 1.6 (1.19 to 2.15) | 0.0016 |
Adjusted estimates of ORs and rate ratios based on generalized linear models fitted on the full cohort.
ICULOS, intensive care unit length of stay.