As expected, compared to Group 2, Group 3 were more likely to have type 1 diabetes (p = 0.024), longer duration of diabetes (t = 4.886, p < 0.001), higher HbA1C (t = 2.734, p = 0.008) and more likely to be on insulin (p = 0.001). This evidence concerns the gene INS and type 1 diabetes mellitus.