Table 2.
Nosocomial ICU acquired RGNB* Infection: Independent risk factors- logistic regression (Comparison with SIRS patients with no GNB † Infection/Colonization)
| Nosocomial ICU acquired RGNB infection | Coef. | P > z | 95% Conf. interval | |
|---|---|---|---|---|
| Days of stay in ICU >5 | 2.37 | <0.001 | 1.56 | 3.18 |
| Carbapenems within 6 months | 1.32 | 0.008 | 0.34 | 2.30 |
| Presence of any GNB within 6 months | 1.14 | <0.001 | 0.58 | 1.70 |
| Dialysis with end stage renal disease | 0.79 | 0.017 | 0.14 | 1.45 |
| Surgery this admission before RGNB | 0.69 | 0.005 | 0.21 | 1.19 |
| Interaction: Carbapenems *days in ICU > 5 | -1.42 | 0.013 | -2.55 | -0.30 |
| _cons | -5.02 | <0.001 | -5.78 | -4.26 |
*Resistant gram negative bacteria, †Gram negative bacteria.