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Table 11 Multivariate analysis: risk factors for occurrence of death during hospitalization

From: Complicated intra-abdominal infections worldwide: the definitive data of the CIAOW Study

Risk factors

Odds ratio

95%CI

p

Age

3.3

2.2-5

<0.0001

Small bowel perforation

27.6

15.9-47.8

<0.0001

Delayed initial intervention

14.6

8.7-24.4

<0.0001

ICU admission

2.3

1.5-3.7

<0.0001

Immunosuppression

3.8

2.1-6.7

<0.0001

  1. Stepwise multivariate analysis, PR = 0.005 E PE = 0.001 (Hosmer-Lemeshow chi2(8) = 1.68, area under ROC curve = 0.9465).