PKM and acute coronary syndrome: ACS - acute coronary syndrome. CAD - coronary artery disease. OR - odds ratio. CI - confidence interval. WBC - white blood cell. TC - total cholesterol. TG – triglycerides. LDL-c - low density lipoprotein cholesterol. hs-CRP - high sensitive C reactive protein. LVEF - left ventricular ejection fractions. PKM2 -pyruvate kinase M2. P < 0.05 was considered statistically significant.