ADA and diabetes mellitus: 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).