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Table 5 Prognostic factors of mortality in patients with VAP caused by A. baumannii , multivariable Cox’s proportional hazards regression analysis

From: Prognostic factors associated with mortality of drug-resistant Acinetobacter baumannii ventilator-associated pneumonia

Predictors

HR

95% CI

P value

Comorbidities

   

 Immunocompromised hosts

1.29

0.87–1.91

0.915

Malignancy

1.37

0.92–2.06

0.122

Septic shock

2.66

1.71–4.12

<0.001

Severity score at VAP onset

   

 SAPS II >45

1.58

1.01–2.46

0.045

 SOFA >5

3.33

1.94–5.72

<0.001

Groups of A. baumannii

   

 DS

1

  

 MDR

1.03

0.44–2.45

0.936

 XDR

1.64

0.74–3.64

0.220

 PDR

1.41

0.47–4.23

0.537

Empirical antibiotic treatment

   

Inappropriate

1.53

1.08–2.20

0.016

  1. SAPS II Simplified Acute Physiology Score II, SOFA Sequential Organ Failure Assessment, DS drug-sensitive, MDR multidrug-resistant, XDR extensively drug-resistant, PDR pandrug-resistant A. baumannii, VAP ventilator-associated pneumonia.