The other patient characteristics, for example, smoking, excessive drinking, cholecystitis, jaundice, coronary heart disease, hypertension, diabetes mellitus, preoperative serum total bilirubin, preoperative hemoglobin, postoperative serum albumin, primary site of disease, pathologic diagnosis, and diameter of pancreatic duct, had no influence on CR-PF occurrence (all P > 0.05). The gene discussed is ALB; the disease is Cholecystitis.