GPT and myocardial infarction: Among the three subgroups of the treatment group, ejection fraction, creatine kinase, creatine kinase‐MB isoenzyme, troponin I, alanine aminotransferase, aspartate aminotransferase, lactic dehydrogenase, hypersensitive‐C‐reactive protein, leukocyte count, neutrophil count percentage, LDL cholesterol levels, apolipoprotein B, fasting glucose, ferritin, and albumin basically showed trend changes in the progression of coronary artery disease patients from stable to unstable and then to myocardial infarction.