Table 2.
Genotypic and allelic frequencies of the MTHFR C677T between the Bai Ku Yao and Han populations [n(%)]
| Group | n | Genotype | Allele | |||
|---|---|---|---|---|---|---|
| CC | CT | TT | C | T | ||
| Bai Ku Yao | 780 | 458(58.7) | 291(37.3) | 31(4.0) | 1207(77.4) | 353(22.6) |
| Han Chinese | 686 | 224(32.6) | 387(56.4) | 75(11.0) | 835(60.9) | 537(39.1) |
| χ2 | - | 106.6 | 94.142 | |||
| P | - | 0.000 | 0.000 | |||
| Bai Ku Yao | ||||||
| Male | 381 | 228(59.8) | 131(34.4) | 22(5.8) | 587(77.0) | 175(23.0) |
| Female | 399 | 230(57.6) | 156(39.1) | 13(3.3) | 616(77.2) | 182(22.8) |
| χ2 | - | 4.088 | 0.006 | |||
| P | - | 0.130 | 0.952 | |||
| Han Chinese | ||||||
| Male | 342 | 107(31.3) | 199(58.2) | 36(10.5) | 413(60.4) | 271(39.6) |
| Female | 344 | 117(34.0) | 188(54.7) | 39(11.3) | 422(61.3) | 266(38.7) |
| χ2 | - | 0.873 | 0.716 | |||
| P | - | 0.928 | 0.740 | |||