Data on studied markers for the VDR gene.

<p><b>Note:</b> Genotypes were expressed in RFLP nomenclature: uppercase letters denote the absence of a restriction site, while lowercase letters indicate the presence of a restriction site. In other words, VDR genotypes of each subject were identified according to the digestion pattern, and alleles were identified according to the presence (<i>f</i> or <i>b</i>) or absence (<i>F</i> or <i>B</i>) of the <i>Fok</i>I and <i>Bsm</i>I sites, respectively. The <i>F</i> and <i>B</i> alleles correspond to the C and A nucleotides, respectively.</p><p><b>Abbreviations:</b> VDR, vitamin D receptor; SNPs, single nucleotide polymorphisms; PCR, polymerase chain reaction; RFLP, restriction fragment length polymorphism.