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. 2007 Jan;13(1):97–103. doi: 10.3201/eid1301.060716

Table 4. Multivariable analysis of discordant versus concordant empiric antimicrobial drug therapy in patients with multidrug-resistant Acinetobacter infections, Baltimore hospitals, 2003–2004*.

Outcome evaluated Discordant vs. concordant empiric antimicrobial drug therapy†
OR (95% CI) p value
Length of stay, d 1.6 (0.4–6.5) 0.54
Intensive care unit length of stay, d 5.8 (1.2–27.1) 0.03
Mortality rate (%) 0.7 (0.1–4.5) 0.74

*OR, odds ratio; CI, confidence interval.
†Model includes modified Acute Physiology and Chronic Health Evaluation III score to control for severity of illness and Charlson index to control for underlying disease.