Figure 1.
(A) Process of vitamin D metabolism. (B) Schematic overview of the present study design. Model 1, SNPs were not extracted which were associated with any potential confounders of AF; Model 2, SNPs were extracted which were associated with any potential confounders of AF. 25(OH)D3, 25-hydroxyvitamin D; 24,25(OH)2D3, 24,25-Dihydroxyvitamin D3; 1,25(OH)2D3, 1,25-Dihydroxyvitamin D3; 1,24,25(OH)2D3, 1,24,25-Dihydroxyvitamin D3.