Table 2 Distribution of MTHFR C677T genotypes in family-based migraine case and unrelated control groups.
| Â | Genotypes | Â | Alleles | |||
|---|---|---|---|---|---|---|
Group | C/C | C/T | T/T | N (genotypes) | C | T |
Related-MO+MA | 112 (35%) | 167 (52%) | 40 (13%) | 319 | 391 (61%) | 247 (39%) |
Related MA* | 84 (34%) | 132 (53%) | 31 (13%) | 247 | 300 (61%) | 194 (39%) |
Unrelated Control | 117 (43%) | 129 (48%) | 23 (9%) | 269 | 363 (67%) | 175 (33%) |