Figure 1. Linkage disequilibrium plot generated by Haploview 4.2 software. Five haplotype blocks (bold) were identified for single-nucleotide polymorphisms (SNPs) in the kinase insert domain receptor, vascular endothelial growth factor gene, protein kinase C-β gene, and in erythropoietin gene. Linkage disequilibrium (LD) is displayed as the pairwise D’ value multiplied by 100 and given for each SNP combination. Shading represents the magnitude and significance of the pairwise LD, with a red-to-white gradient reflecting higher-to-lower LD values. Red diamond without a number corresponds to a D’ value of 1.0.