Table 4.

Cox regression analysis about risk factors associated with 30-day mortality

Variables	Without propensity score adjustment			With Propensity score adjustment
	HR	CI 95%	p	HR	CI 95%	p
Septic shock	3.5	1.32–9.58	0.012	3.1	1.45–7.88	0.001
Fosfomycin-containing regimen as definitive therapy	0.04	0.01–0.13	< 0.001	0.22	0.09–0.44	< 0.001
Secondary bacteremia	23.6	9.02–61.9	< 0.001	19.4	8.22–42.1	< 0.001

HR hazard ratio, CI confidence interval