Table 2. Comparisons of reported CYP2C9 allele frequencies in Koreans.
| n | CYP2C9 allele frequency | Reference | |||
|---|---|---|---|---|---|
| *1 | *2 | *3 | *13 | ||
| 3592 | 0.952 (0.945–0.959) | 0.000 (0.000–0.000) | 0.044 (0.037–0.051) | 0.005 (0.003–0.007) | Present study |
| 716 | 0.934 (0.916–0.952) | 0.000 (0.000–0.000) | 0.060 (0.043–0.077) | 0.006 (0.000–0.012) | 5 |
| 1148 | 0.989 (0.983–0.995) | 0.000 (0.000–0.000) | 0.011c (0.005–0.017) | ND | 7 |
| 590 | 0.947 (0.929–0.965) | 0.000 (0.000–0.000) | 0.051 (0.033–0.069) | 0.002 (0.000–0.006) | 13 |
Values in parentheses represent 95% confidence intervals; n=number of alleles; differences between frequency data were calculated using the chi-square test. ND=Not determined.
cP<0.01 between present and previous studies7 (95% CI on the difference 0.024–0.042).