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Table 5 Univariate and multivariate logistic regression analyses of predictors of polymicrobial pneumonia

From: Community-acquired polymicrobial pneumonia in the intensive care unit: aetiology and prognosis

Variable

Univariate analysis

 

Multivariate analysisa

 
 

Odds ratio

95% CI

P value

Adjusted odds ratio

95% CI

P value

Previous antibiotic

0.25

0.06 to 1.11

0.068

-

-

-

Neurological disease

2.39

0.98 to 5.83

0.057

   

Chronic respiratory disease

2.50

1.22 to 5.10

0.012

2.86

1.31 to 6.25

0.008

Fever

0.43

0.19 to 0.95

0.037

-

-

-

WBC (+10 × 109 cells/l)b

0.61

0.38 to 0.98

0.041

-

-

-

Multilobar infiltration

2.52

1.19 to 5.34

0.015

-

-

-

Mechanical ventilation

2.15

1.00 to 4.64

0.050

-

-

-

ARDS criteria

11.11

3.84 to 32.14

< 0.001

12.31

4.08 to 37.12

< 0.001

  1. ARDS, acute respiratory distress syndrome; CI, confidence interval; WBC, white blood cells. aHosmer-Lemeshow goodness-of-fit test, P = 0.55. bIncrease by 10 × 109 cells/l.
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Critical Care

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