The differences in general data, including age, gender, height, weight, smoking history, hypertension, diabetes, red blood cell count, hemoglobin level, platelet count, activated partial thromboplastin time, activated clotting time, levels of epidermal growth factor receptor, aspartate aminotransferase, alanine aminotransferase, antiplatelet drugs, and intraoperative heparin dosage between the two groups were not statistically significant (P > 0.05), as shown in Tables 2–4. This evidence concerns the gene EGFR and Hypertension.