In addition, CV risk measured as CC-IMT were 0.46, 0.594 and 0.829 for T1DM, T2DM and T2DM-CAD respectively which correlates well with reduced expression of CDKN2A/2B/2BAS genes and is consistent with the protective role of these genes. Here, CDKN2A is linked to type 1 diabetes mellitus.