Research Article
Investigation of Chemokine Receptor CCR2V64Il Gene Polymorphism and Migraine without Aura in the Iranian Population
Table 1
Demographic and clinical characteristics of patients with migraine.
| Characteristic | Mean SE or percentage |
| Frequency of headache per month | | Family history for migraine | | Positive | 77% | Negative | 23% | MIGSEV grade | | Grade I | 12.8% | Grade II | 38.6% | Grade III | 48.6% |
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