ACE and chronic kidney disease: In the multivariable logistic regression model, age, Killip classification, CKD, cerebrovascular disease, use of ß-blocker, ACE inhibitor/ARB, statin, Hb, HDL cholesterol, preprocedural suboptimal flow (TIMI 0 or 1 flow) and LVEF were independent predictors of overall mortality (Table 4).