The levels of bilirubin, alanine aminotransferase (ALT), aspartate aminotransferase (AST), albumin, and prothrombin time were 0.737 ± 0.311 mg/dL, 39.00 ± 24.21 IU/L, 26.42 ± 10.40 IU/L, 4.10 ± 0.513 g/dL, and 16.46 ± 2.78 seconds in patients with DM and 0.506 ± 0.183 mg/dL, 28.26 ± 6.67 IU/L, 18.90 ± 4.75 IU/L, 4.12 ± 0.277 g/dL, and 14.23 ± 1.04 seconds in control subjects. Here, GPT is linked to diabetes mellitus.