CRP and angina pectoris: A logistic regression model was used to assess the association between clopidogrel loading dose and LVEF, adjusting for confounders (age, sex, diabetes mellitus, hypertension, anterior myocardial infarction, time from onset to admission, preinfarction angina, corrected TIMI frame count, fasting blood glucose levels, hs-CRP, and clopidogrel loading dose).