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Allelic and genotypic frequencies of CYP2C19 in Colombian Mestizo individuals (n = 189). CI: confidence interval.
| CYP2C19 Alleles | Number of alleles | Frequency (%) (95% CI) |
| *1 | 345 | 91.3 (88.5–94.1) |
| *2 | 33 | 8.7 (5.9–11.5) |
| *3 | 0 | 0 |
| *4 | 0 | 0 |
| *5 | 0 | 0 |
| *6 | 0 | 0 |
| *8 | 0 | 0 |
| CYP2C19 genotypes | Number of subjects | Frequency (%) (95% CI) |
| *1/*1 | 158 | 83.6 (78.3–88.9) |
| *1/*2 | 29 | 15.3 (10.2–20.4) |
| *2/*2 | 2 | 1.1 (0.4–3) |
