Variable | Hazard Ratio (95% CI) | P Value |
---|---|---|
Prior antibiotic exposure | 1.473 (1.297-1.672) | 0.002 |
Pulmonary source of infection | 1.670 (1.496-1.865) | <0.001 |
APACHE II Score (1-point increments) | 1.066 (1.057-1.076) | <0.001 |
Inappropriate antibiotic therapy | 1.390 (1.239-1.559) | 0.004 |
Hospital-onset infection | 1.486 (1.234-1.790) | 0.034 |
Pre-culture length of stay (1-day increments) | 1.012 (0.008-1.016) | 0.001 |