The median waist circumference, BMI, systolic and diastolic blood pressures, blood leukocyte and platelet counts, blood urea, creatinine, serum triglyceride, and AST and ALT levels of the diabetes mellitus patients with diabetic neuropathy were not statistically different than those of the subjects without diabetic neuropathy (p > 0.05 for all). Here, GPT is linked to diabetes mellitus.