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Table 3 Independent predictive factors associated with CR-GNB sepsis; multivariate logistic regression

From: Predictive factors for sepsis by carbapenem resistant Gram-negative bacilli in adult critical patients in Rio de Janeiro: a case-case-control design in a prospective cohort study

Risk factors for sepsis by CR-GNB

CR-GNB cases (n = 60)

Control group (n = 94)

Odds ratio

95% CI

pa value

Previous infection, n (%)

46 (77)

31 (33)

4.28

1.77–10.35

0.001

Mechanical ventilation, n (%)

56 (93)

58 (62)

4.21

1.17–15.18

0.028

Use of carbapenem, n (%)

48 (80)

32 (34)

3.42

1.37–8.52

0.008

Length of hospital stay (days), median (range)

26 (1–375)

10 (0–143)

1.03

1.01–1.05

0.007

  1. Abbreviations: CR-GNB carbapenem-resistant Gram-negative bacilli, CI confidence interval
  2. aWald test for logistic regression, p significant < 0.05, accuracy of 80% for CR-GNB model