There was an increase in the average ALT (42 IU/L), serum creatinine (1.3 mg/dL), urea (61 mg/dL), and LDH (392 IU/L) in individuals with diabetes and an increase in the mean ALT (46 IU/L) and LDH (342 IU/L) in those without diabetes. This evidence concerns the gene GPT and diabetes mellitus.