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Genotype and allele frequencies of FcγRIIa R131H polymorphism
| Tribe | R/R | H/R | H/H | P-valuea | R-allele | H-allele | P-valuea |
| Dogon | 65 (41%) | 71 (44%) | 24 (15%) | 0.0008 | 201 (63%) | 119 (37%) | < 0.0001 |
| Fulani | 39 (24%) | 78 (48%) | 47 (29%) | 156 (48%) | 172 (52%) |
a Statistical analysis of differences in frequencies between the two ethnic groups tested with χ2-test.
