Table 2.
Allele and genotype frequencies by geographic region and race
| n (%) | Allele Frequency
|
Genotype Frequency
|
||||
|---|---|---|---|---|---|---|
| D, % | I, % | D/D, % | D/I, % | I/I, % | ||
| Geographic region | ||||||
| Asia | 253 (17.5) | 41.3 | 58.7 | 17.8 | 47.0 | 35.2 |
| Europe | 276 (19.1) | 56.5 | 43.5 | 31.9 | 49.3 | 18.8 |
| Latin America | 263 (18.2) | 47.2 | 52.9 | 24.0 | 46.4 | 29.7 |
| North America | 651 (45.1) | 54.0 | 46.0 | 31.2 | 45.6 | 23.2 |
| total | 1443 | 51.0 | 49.0 | 27.7 | 46.7 | 25.6 |
| Race | ||||||
| Asian | 248 (17.2) | 36.9 | 63.1 | 13.7 | 46.4 | 39.9 |
| black | 215 (14.9) | 55.1 | 44.9 | 36.7 | 36.7 | 26.5 |
| Hispanic | 265 (18.4) | 46.4 | 53.6 | 23.4 | 46.0 | 30.6 |
| white | 696 (48.2) | 56.5 | 43.5 | 31.5 | 50.1 | 18.4 |
| other | 19 (1.3) | 50.0 | 50.0 | 26.3 | 47.4 | 26.3 |
| total | 1443 | 51.0 | 49.0 | 27.7 | 46.7 | 25.6 |