Table 2.

Multivariate analysis of predictors for mortality

Parameter	Result of multivariate analysis with predictor:
	Imipenem MIC of ≥4 mg/liter			Log2 imipenem MIC
	OR for mortality	95% CI	P value	OR for mortality	95% CI	P value
Hepatic dysfunction	5.87	1.14–30.2	0.034	4.66	0.99–21.9	0.052
Patient in ICU at onset of infection	5.75	1.26–26.3	0.024	5.87	1.35–25.58	0.018
Urinary source	0.14	0.017–1.10	0.062	0.18	0.024–1.28	0.086
MIC of ≥4 mg/liter	27.9	3.82–202.9	0.001
Log2 imipenem MIC				2.03	1.28–3.23	0.003