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Stratification of migraine patients and controls according to 25(OH)-vitamin D serum level
| Migraine group (n=40) | Control group (n=40) | P-value | |
|---|---|---|---|
| Subjects with 25 (OH) vitamin D <12 ng/mL [n (%)] | 2 (5%) | 0 (0%) | 0.023* |
| Subjects with 25 (OH) vitamin D 12–25 ng/mL [n (%)] | 17 (42.5%) | 8 (20%) | |
| Subjects with 25 (OH) vitamin D ≥25 ng/mL [n (%)] | 21 (52.5%) | 32 (80%) |
Note: *P-value<0.05 (significant).
