Nosocomial methicillin-resistant Staphylococcus aureus (MRSA) bacteremia in Taiwan: Mortality analyses and the impact of vancomycin, MIC = 2 mg/L, by the broth microdilution method

Table 4 Univariate and multivariate analyses of risk factors associated with mortality in patients with nosocomial MRSA bacteremia using logistic regression

Characteristic	Univariate OR	95% CI	p-value	Multivariate OR^a	95% CI	p-value
High vancomycin MIC	2.59	1.07-6.30	0.035	3.76	1.34-10.54	0.012
Malignancy	3.48	1.57-7.74	0.002	3.06	1.15-8.17	0.025
Pneumonia	1.82	0.83-3.99	0.137
Cardiothoracic surgery	2.30	0.75-7.09	0.146	5.66	1.52-21.12	0.010
Charlson score	1.27	1.06-1.52	0.009	1.25	1.01-1.55	0.045
Endocarditis	4.50	0.79-25.69	0.09
Bedridden	3.19	1.12-9.08	0.03
Cerebrovascular disease	2.52	0.88-7.26	.086
ICU admission	2.27	1.05-4.91	.037

a: Covariates having a p < 0.2 were included in the stepwise regression, and covariates with a higher p-value were discarded.

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