Table 4.
Comparison of SNP allele frequencies of the studied Caucasian sample with the data on Africans/African- Americans from databases and literature
| Gene | SNP | Reference population | Database or references | Data from a database or reference | Caucasiansa | P | ||
| Frequencyb | n | Frequency | n | |||||
| APOE | 2 | African-Americans | dbSNP | 0.48 | 24 | 0.399 | 1,839 | 0.52 |
| 3 | African-Americans | dbSNP | 0.10 | 24 | 0.149 | 1,858 | 0.56 | |
| 4 | African-Americans | dbSNP | 0.04 | 24 | 0.087 | 1,783 | 0.25 | |
| ER-α | 11 | SANGER 12 DNAs of African-American origin | dbSNP | 0.08 | 12 | 0.257 | 1,857 | 0.32 |
| 12 | African/African-Americans | dbSNP | 0.27 | 24 | 0.218 | 1,859 | 0.61 | |
| 13 | TSC panel of African-Americans | dbSNP | 0.16 | 40 | 0.098 | 1,863 | 0.27 | |
| 15 | African/African-Americans | dbSNP | 0.28 | 23 | 0.203 | 1,863 | 0.42 | |
| IL-6 | 16 | African/African-Americans | dbSNP | 0.96 | 24 | 0.434 | 1,860 | <0.01 |
| LEPR | 20 | TSC panel of African-Americans | dbSNP | 0.45 | 42 | 0.353 | 1,860 | 0.25 |
| TGF-ß1 | 26 | TSC panel of African-Americans | TSC | 0.27 | 42 | 0.311 | 1,840 | 0.61 |
| African/African-Americans | dbSNP | 0.15 | 24 | 0.311 | 1,840 | 0.07 | ||
| UCP3 | 32 | African-American females | [70] | 0.15 | 57 | 0.265 | 1,767 | 0.07 |
| 33 | African-Americans | [73] | 0.08 | 18 | 0.000 | 295 | 0.06 | |
| 34 | African-American females | [70] | 0.45 | 63 | 0.258 | 1,862 | <0.01 | |
| 35 | African-American females | [70] | 0.247 | 73 | 0.447 | 1,863 | <0.01 | |
| African/African-Americans | [74] | 0.20 | 276 | 0.447 | 1,863 | <0.01 | ||
| 36 | African-Americans | [70] | 0.00 | 18 | 0.000 | 295 | 10.00 | |
| VDR | 38 | African-American males | [77] | 0.244 | 37 | 0.373 | 1,861 | 0.15 |
| 40 | African-American males | [77] | 0.312 | 32 | 0.419 | 1,860 | 0.30 | |
| Nigerians | [82] | 0.37 | 93 | 0.419 | 1,860 | 0.41 | ||
| 41 | African/African-Americans | dbSNP | 0.35 | 24 | 0.408 | 1,859 | 0.71 | |
| African-American males | [77] | 0.244 | 39 | 0.408 | 1,859 | 0.06 | ||
For gene abbreviations and SNP designations see Table 1. a Present study. b Frequency of the allele corresponding to a minor allele in the present study.