The following parameters showed a statistically significant difference between the groups: waist circumference (p < 0.006), duration of T2D (p < 0.001), BMI (p < 0.041), insulin therapy (p < 0.001), CVD (p < 0.001), diabetic neuropathy (p < 0.001), diabetic foot (p < 0.001), and S-HbA1c (p < 0.001). This evidence concerns the gene INS and type 2 diabetes mellitus.