Most interestingly, patients with T2D harboring heterozygous genotype for VDR TaqI polymorphism (Tt) had a higher chance of developing CAD clinical manifestation (P = .001; OR = 1.99) indicating an essential role of TaqI polymorphism on the determination of clinical severity in Chinese T2D patients (Table 3). Here, VDR is linked to type 2 diabetes mellitus.