TABLE 2.

Cox regression analysis of factors associated with all-cause 14-day mortality

Variable	Model 1		Model 2
	HR (95% CI)	P	HR (95% CI)	P
Age	1.03 (1.01-1.06)	0.021	1.03(1.00-1.05)	0.028
MIC of carbapenems >4 μg/ml	2.83 (1.08-7.41)	0.035	2.34 (0.83-6.55)	0.106
Polymicrobial bacteremia	1.45 (0.65-3.21)	0.360	1.52 (0.69-3.36)	0.300
Rapidly fatal underlying disease	2.84 (1.26-6.39)	0.012	2.9 (1.29-6.49)	0.010
Non-urinary source of bacteremia	3.33 (0.44-25.05)	0.242	3.46 (0.46-26.00)	0.23
Pitt bacteremia score ≥4	2.1 (0.91-4.81)	0.08	1.96 (0.85-4.52)	0.114
Inappropriate empiricala therapy			1.63 (0.68-3.86)	0.270

^aSimilar results were obtained when the variable “inappropriate definitive therapy” was included in model 2.