Research Article
Clinically Significant Minor Blood Group Antigens amongst North Indian Donor Population
Table 4
Phenotype frequencies of Duffy blood group system.
| Phenotype | In 1000 cases (%) | Indian study by Thakral et al. [7] | Indian study by Chaudhary et al. [6] | Indian study by Nanu and Thapliyal [8] | In whites [9–11] | In blacks [9–11] |
| + − | 417 (41.7%) | 43.9% | 43% | 40.8% | 17% | 9% | Fya−Fyb+ | 127 (12.7%) | 13.3% | 24% | 16.2% | 34% | 22% | + + | 456 (45.6%) | 42.9% | 30% | 42.6% | 49% | 1% | − − | 0 (0%) | 0% | 3% | 0.44% | <0.1% | 68% |
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