VDR and vitamin D deficiency: The results of the studies presented in Table 2 and Table S1 [40,49,50,51,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71] (in Supplementary Materials) demonstrate significant discrepancies in the association of VDR polymorphisms with disease susceptibility, including HT and vitamin D status, as well as in the relationship between vitamin D deficiency and disease susceptibility.