These 15 variables were listed below: age, sex, diabetes mellitus (DM), spontaneous bacterial peritonitis, ascites, gastrointestinal bleeding, serum α-hydroxybutyrate dehydrogenase (α-HBDH), white blood cells ( WBC), red blood cell volume (MCV), serum potassium (K), prothrombin time (TT), serum alkaline phosphatase (AKP), alanine transaminase (ALT), adenosine deaminase (ADA), and plasma ammonia (Ammo). This evidence concerns the gene F2 and diabetes mellitus.