Table 4.

Results of Cox analyses examining risk factors for mortality associated with bacteraemia due to Gram-negative bacilli.

Mortality risk factor	HR (95% CI)	p value
Charlson index ≥3	2.04 (1.12-3.69)	0.02
Urinary origin	0.44 (0.23-0.82)	0.01
Lung origin	4.14 (1.54-11.08)	0.005
Polymicrobial bacteremia	2.6 (1.28-5.28)	0.008
Adequate empirical treatment	0.43 (0.23-0.79)	0.006
Shock	9.31 (3.42-25.38)	<0.001
Blood glucose category (high vs low risk)	4.26 (1.4-12.9)	0.01

HR: hazard ratio