Table 4.

Multivariate analysis of risk factors for extensively drug-resistant (XDR) strains

	OR	95% CI	p-value
ICU vs. non-ICU	0.5	(0.22; 1.10)	0.086
Sex	0.4	(0.20; 0.99)	0.048
Age	0.9	(0.97; 0.99)	< 0.001
Acinetobacter Yes vs. No	46.8	(21.27; 103.09)	< 0.001

Nagelkerke R2 = 0.680

Legend: ICU: intensive care unit; OR: odds ratio; 95% CI: 95% confidence interval