Table 2.

Logistic regression of factors associated with carbapenem-resistant P. aeruginosa infections

Factor	Unadjusted		Adjusted
	Odds ratio (95 % CI)	p value	Odds ratio (95 % CI)	p value
Foley catheter	4.2 (1.4–12.4)	0.009	2.8 (0.8–9.5)	0.091
Transfer from another unit	5.4 (1.5–19.6)	0.010	4.1 (0.9–17.4)	0.056
Prior carbapenem use	5.9 (1.7–20.8)	0.005	2.8 (0.7–12.7)	0.168
Prior ertapenem use	11.5 (2.7–49.3)	0.001	4.8 (0.9–25.1)	0.059
Prior fluoroquinolone use	3.9 (1.2–12.4)	0.020	3.4 (0.8–14.6)	0.103
Prior ciprofloxacin use	6.7 (1.1–39.8)	0.036	3.3 (0.4–29.7)	0.280