Acinetobacter baumannii Infection in Prior ICU Bed Occupants Is an Independent Risk Factor for Subsequent Cases of Ventilator-Associated Pneumonia

Table 4

Multivariate analysis of risk factors for VAP due to Acinetobacter baumannii.

	OR	95% CI	Wald statistic	𝑃
Enteral feeding	2.759	0.919–8.281	3.275	0.07
Another patient with Ab infection	6.674	2.282–19.521	12.016	0.001
Blood transfusion in ICU	2.106	0.766–5.792	2.083	0.149

The Hosmer-Lemeshow statistic (calibration) was not significant: chi-square = 2.466, df = 7, 𝑃 = 0.782. Overall accuracy (discrimination) was 87%.
BSI: bloodstream infections, ICU: intensive care unit, and Ab: Acinetobacter baumannii.