The prevalence rate was significantly higher in the T2D group (ALT 19% vs 13.3%, P < .01; AST 34.1% vs 21.9%, P < .01; ALP 36.8% vs 11.9%, P < .001; and GGT 27.2% vs 5.7%, P < .001) compared to the healthy group (Table 2 and Figure 2). This evidence concerns the gene GPT and type 2 diabetes mellitus.