Table 3.
Odds ratio, 95% confidence intervals, and P values for variables in logistic regression analysis of nosocomial BSI.
| Risk factor | P value | OR | 95.0% C.I. | |
| Lower | Upper | |||
| Previous administration of antibiotics | 0.002 | 7.43 | 3.34 | 9.542 |
| Diabetes | 0.001 | 1.050 | 1.010 | 1.751 |
| Obesity | 0.154 | 1.43 | 0.328 | 2.868 |
| Male nutrition | 0.528 | 1.353 | 0.529 | 3.459 |
| Immune deficiency | 0.287 | 2.562 | 0.454 | 14.470 |
| Leucocytopenia | 0.01 | 3.756 | 2.361 | 5.028 |
| Surgery | 0.005 | 6.702 | 2.882 | 12.283 |
| Urinary Catheter | 0.066 | 1.669 | 0.967 | 2.882 |
| Peripheral I.V. Catheter | 0.094 | 1.547 | 0.269 | 2.109 |
| Central I.V. Catheter | 0.013 | 5.654 | 3.184 | 8.821 |
| Assisted nutrition | 0.09 | 4.961 | 2.790 | 8.818 |
| Mechanical Ventilation | 0.027 | 4.833 | 3.959 | 9.506 |
| Endotracheal tube | 0.171 | 1.692 | 0.797 | 3.595 |
| Drainage tube | 0.128 | 1.122 | 0.026 | 2.571 |
| Renal dialysis | 0.538 | 1.471 | 0.043 | 3.158 |