Table 4. Multivariate cox regression analyses about one-year cardiovascular mortality for all patients.

Variables	Hazard ratio	95% CI	P value
Female sex (%)	2.098	1.205–3.653	0.009
Anemia (%)	1.776	1.068–2.952	0.027
Troponin-I (ng/mL)	1.006	1.000–1.012	0.038
Killip III, IV (%)	3.043	1.653–5.603	< 0.001
LVEF (%)	0.966	0.949–0.984	< 0.001
Post-PCI AKI (%)	5.880	3.255–10.625	< 0.001
ACEI/ARB use (%)	0.443	0.249–0.787	0.006
B-blocker (%)	0.405	0.230–0.715	0.002
Statins use (%)	0.407	0.247–0.678	0.027

Abbreviation: CI: confidence interval; LVEF: left ventricular ejection fraction; PCI: percutaneous coronary intervention; AKI: acute kidney injury; ACEI: angiotensin converting enzyme inhibitor; ARB: angiotensin receptor blocker.