The results in Table 1 demonstrated that serum liver enzymes (ALT and AST respectively) were also raised significantly in T2DM with peripheral arterial disease (PAD) patients (49.89 and 46.78) as compared to T2DM patients (20.02 and 25.35) and healthy individuals (18.85 and 19.92). This evidence concerns the gene GPT and type 2 diabetes mellitus.