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MTHFR polymorphisms in the VT group
| MTHFR polymorphisms | N | % |
|---|---|---|
| Normal | 4 | 14.3 |
| Heterozygous A1298C | 8 | 28.6 |
| Heterozygous C677T | 1 | 3.6 |
| Heterozygous 677 + 1298 (compound heterozygous) | 8 | 28.6 |
| Homozygous A1298C | 4 | 14.3 |
| Homozygous C677T | 3 | 10.7 |
| Total | 28 | 100 |
