The estimated value of glycated hemoglobin in the patients with diabetes was 10.19±2.04%, while in control individuals, this value was estimated to be 4.49±1.07%.The mean values of creatinine and activity of alanine transaminase were higher in diabetic patients (1.18±0.61 mg/dL, 42.94±3.41, respectively) than in healthy controls (0.94±0.27 mg/dL, 36.35±3.09, respectively). Here, GPT is linked to diabetes mellitus.