Table 5.

Multivariate model of mortality

	Odds Ratio	95% CI
Any antibiotic non-susceptible strain (including macrolide, penicillin, cephalosporin)	1.4 *	1.01	2.1
Evidence of prior antibiotic drug therapy	1.0	0.5	1.9
Inpatient or admitted from ED §	5.1 *	2.0	13.0
Age (per 10 year increase)	1.3 *	1.2	1.4
Male	1.4*	1.02	2.0
Race
White	1.0	Reference
Black	0.6 *	0.4	0.9
Hispanic	1.3	0.7	2.2
Other	0.8	0.3	2.0
Region
Northeast	1.0	Reference
Midwest	1.2	0.8	1.7
South	0.7	0.4	1.2
West	1.0	0.6	1.6
Insurance status
Private/commercial	1.0	Reference
Medicaid	0.9	0.5	1.4
Other public	1.0	0.7	1.5
None	1.3	0.8	2.2
Admitted overnight in past month	1.6	0.99	2.6
Immunosuppressed	1.2	0.98	1.5
Focal infection	0.6*	0.4	0.9
Allergy to antibiotics	1.0	0.7	1.4

Of n=1433 in model, there were 189 deaths

Area under ROC 0.73, Hosmer-Lemeshow p-value =0.42

^*Confidence intervals that do not cross 1 are statistically significant

^§Definition of "Inpatient or admitted from ED": If blood culture location is inpatient OR if blood culture location is ED and disposition=admitted OR if blood culture location is clinic and disposition=admitted