From: Empirical evaluations of analytical issues arising from predicting HLA alleles using multiple SNPs
 |  | FHCRC | WTCCC* | STEP |
---|---|---|---|---|
 | Caucasian | 1280 | 2730 | 411 |
 | Mestizo/Mestiza |  |  | 212 |
Ethnicity | Others (African, Asian and other ethnic groups) | 226 | Â | 209 |
 | HLA-A, -B, and -C | 1483 | 1929,1812,1558 | 832 |
HLA Loci | HLA-DRB1 | 1481 | 1969 | 832 |
 | HLA-DQB1 | 1434 | 1965 |  |
 | HLA-DPB1 |  |  | 832 |
 | Affy 5.0 array | 1506 |  |  |
SNP genotyping platforms | Affy 500K | Â | 1480 | Â |
 | Affy 6.0 array |  | 2706 |  |
 | Illumina 550K |  | 1438 |  |
 | Illumina 1.2M |  | 2692 | 832 |