GPT and diabetes mellitus: Age, creatinine, N-terminal pro-brain natriuretic peptide, red blood cells, systolic blood pressure, ejection fraction, BMI, low-density lipoprotein cholesterol, urea nitrogen, triglyceride, potassium, high-density lipoprotein cholesterol, serum total cholesterol, alanine aminotransferase, blood glucose, serum total bilirubin, central nervous system disease, uric acid, diabetes mellitus, statins