Table 3.
Comparison of allelic frequencies of VDR gene polymorphisms between the study population and the HapMap populations
| Population | SNP (allele)
|
|||
|---|---|---|---|---|
| FokI (F) | BsmI (b) | ApaI (a) | TaqI (T) | |
| Belém | 0.661 | 0.707 | 0.385 | 0.762 |
| Hp+ | 0.671 | 0.718 | 0.393 | 0.765 |
| Hp− | 0.648 | 0.692 | 0.374 | 0.758 |
| BRZ | 0.674 | 0.605 | 0.460 | 0.627 |
| CEU | 0.525 | 0.525 | 0.424 | 0.526 |
| YRI | 0.833 | 0.712 | 0.375 | 0.750 |
| ASN | 0.646 | 0.921 | 0.645 | 0.933 |
Notes: Belém, total surveyed patients; Hp+, H. pylori positive; Hp−, H. pylori negative; Brazil, Brazilian population (BRZ) described by Lins et al;14 CEU, Utah residents of Northern and Western European origin; YRI, Sub-Saharan Africans from Yoruba, Ibadan, Nigeria; ASN, Han Chinese in Beijing (CHB) and Japanese, Tokyo (JPT).
Abbreviations: VDR, vitamin D receptor; SNP, single nucleotide polymorphism; H. pylori, Helicobacter pylori.