Table 2 Nosocomial ICU acquired RGNB* Infection: Independent risk factors- logistic regression (Comparison with SIRS patients with no GNB ^† Infection/Colonization)

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