Univariate Cox regression analysis | Multiple Cox regression analysis | |||
---|---|---|---|---|
Variable | HR (95% CI) | P value | Adjusted HR (95% CI) | P value |
Age >65 (years) | 1.5 (0.7-3.4) | 0.307 | Â | Â |
Sex | 1.0 (0.5-2.2) | 0.972 | Â | Â |
pre-ICU LOS | 1.0 (1.0-1.0) | 0.680 | Â | Â |
Operation | 1.1 (0.4-2.6) | 0.913 | Â | Â |
CVC catheter | 1.1 (0.5-2.4) | 0.858 | Â | Â |
Foley catheter | 1.0 (0.4-2.3) | 0.994 | Â | Â |
Double lumen catheter | 1.5 (0.4-5.2) | 0.505 | Â | Â |
APACHE II >15 | 2.1 (1.0-4.6) | 0.066 | 2.3 (1.0-5.3) | 0.037 |
Endotracheal intubation | 1.7 (0.8-3.9) | 0.177 | Â | Â |
Antibiotic use | 1.2 (0.5-2.8) | 0.657 | Â | Â |
Hand hygienea,b | 0.9 (0.8-1.0) | 0.051 | Â | Â |
VAP bundle | 0.3 (0.1-0.9) | 0.025 | Â | Â |
Intervention | 0.3 (0.1-0.7) | 0.010 | 0.3 (0.1-0.7) | 0.006 |