Table 3.

Multivariable analysis of risk factors for MRSA bacteraemia using non-infected controls including antibiotic use (N = 358)

	OR	95% CI	P value
Male gender	1·57	0·93–2·66	0·093
Stay in skilled nursing facility	1·55	0·31–7·76	0·595
Hospitalization in the previous year	1·42	0·81–2·48	0·220
Charlson severity-of-illness measure	1·03	0·87–1·22	0·733
Malignancy	1·41	0·58–3·47	0·451
Renal failure	2·74	1·39–5·38	0·003
Congestive heart failure	0·82	0·42–1·60	0·562
Cirrhosis	4·03	1·35–12·06	0·013
HIV infection	3·87	0·70–21·28	0·120
Tracheostomy	1·95	0·38–9·93	0·423
Central venous catheter use	3·08	1·45–6·54	0·003
Major or therapeutic procedure	0·57	0·32–1·01	0·055
ICU, days	1·00	0·96–1·04	0·866
Immunosuppressive medication	0·98	0·55–1·74	0·945
Monobactam use	2·03	0·30–13·89	0·468
Quinolone use	1·90	0·70–5·17	0·206

OR, Odds ratio; CI, confidence interval.