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Genotype distribution and allele frequency of CYP2C19 G681A, CYP2C19 G636A and CYP2C9 T269C polymorphisms
| Genotypes | N (%) | Allele frequency (%) | P value |
| CYP2C19 G681A | |||
| GG (*1) | 40 (48.2%) | 33.1 | 0.152 |
| GA (*2) | 31 (37.3%) | ||
| AA (*2) | 12 (14.5%) | ||
| CYP2C19 G636A | |||
| GG (*1) | 79 (95.2%) | 3.0 | 0.001* |
| GA (*3) | 3 (3.6%) | ||
| AA (*3) | 1 (1.2%) | ||
| CYP2C9 T269C | |||
| TT | 75 (90.4%) | 5.4 | 0.106 |
| TC | 7 (8.4%) | ||
| CC | 1 (1.2%) | ||
*Statistically significant (Chi-square test).
