Table 3. Cox regression for one-year mortality in patients with SIRS after acute myocardial infarction.

Variable	Univariate		Multivariate
	Hazard ratio (95% CI)	p value	Hazard ratio (95% CI)	p value
SIRS group	1.71 (1.06-2.76)	0.028	1.77 (1.10-2.89)	0.019
Age	1.04 (1.02-1.06)	< 0.001	1.04 (1.02-1.06)	< 0.001
Gender	1.49 (0.90-2.47)	0.123
Hypertension	1.20 (0.81-1.77)	0.374
Diabetes	1.05 (0.73-1.50)	0.799
CHF	1.09 (0.64-1.84)	0.752
CRP	0.97 (0.97-1.03)	0.968
Peak CK	1.00 (0.96-1.01)	0.843
CIN	1.46 (0.57-3.64)	0.416

CI, confidence interval; CHF, congestive heart failure; CIN, contrast induce nephropathy; CK, creatine kinase; CRP, C-reactive protein; SIRS, systemic inflammatory response syndrome.