CYP2C9 variant alleles (A) and genotypes (B) among healthy European Americans (n = 140) and African Americans (n = 120)
| (A) Variant Allele | Frequency | |||
|---|---|---|---|---|
| African Americans | European Americans | |||
| CYP2C9*1 | 0.946 | 0.825 | ||
| CYP2C9*2 | 0.025 | 0.132 | ||
| CYP2C9*3 | 0.0125 | 0.043 | ||
| CYP2C9*5 | 0.017 | 0 | ||
| (B) Genotype | # Subjects | % | # Subjects | % |
| CYP2C9*1/*1 | 107 | 89.2 | 94 | 67.1 |
| CYP2C9*1/*2 | 6 | 5 | 31 | 22.1 |
| CYP2C9*2/*2 | 0 | 0 | 3 | 2.1 |
| CYP2C9*1/*3 | 3 | 2.5 | 12 | 8.6 |
| CYP2C9*1/*5 | 4 | 3.3 | 0 | 0 |
| Total | 120 | 100 | 140 | 100 |