Predictor | Parameter estimate | OR | CI | p value |
---|---|---|---|---|
Enter method | Â | Â | Â | Â |
Age | 0.01 | 1.01 | 0.99 to 1.03 | 0.23 |
Charlson index | 0.85 | 1.09 | 0.93 to 1.27 | 0.28 |
Coma on ICU admission | -0.83 | 0.44 | 0.19 to 1.03 | 0.06 |
ARDS before VAP | 0.52 | 1.69 | 0.86 to 3.31 | 0.13 |
RRT before VAP | -0.42 | 0.66 | 0.31 to 1.42 | 0.29 |
Duration of hospitalisation before VAP | 0.006 | 1.01 | 1.00 to 1.02 | 0.20 |
One antibiotic before VAP | 0.06 | 1.06 | 0.39 to 2.92 | 0.90 |
Two antibiotic classes before VAP | 0.85 | 2.34 | 0.82 to 6.71 | 0.11 |
More than two antibiotic classes before VAP | 1.37 | 3.93 | 1.26 to 12.23 | 0.02 |
Constant | -2.72 | Â | Â | Â |
Backward stepwise | Â | Â | Â | Â |
Coma on ICU admission | -1.12 | 0.32 | 0.14 to 0.73 | 0.01 |
Two antibiotic classes before VAP | 0.88 | 2.41 | 1.22 to 4.79 | 0.01 |
More than two antibiotic classes before VAP | 1.50 | 4.47 | 2.15 to 9.31 | < 0.001 |
Constant | -1.50 | Â | Â | Â |