Table 1.
Study population baseline characteristics.
| Study population characteristics | All patients (n = 91) |
|---|---|
| Age, mean, years (SD) | 46.3 (11.2) |
| Women, n (%) | 80 (88%) |
| Number of patients with comorbid psychiatric disorder, n (%) | 16 (17%) |
| Number of patients with migraine without aura, n (%) | 77 (85%) |
| Number of patients with migraine with aura, n (%) | 23 (25%) |
| Number of monthly headache days, mean, days (SD) | 24.3 (5.8) |
| Number of monthly migraine days, mean, days (SD) | 18.5 (7.4) |
| Number of prior failed preventive medications, median (IQR) | 6 (4–8) |
| Number of patients using concomitant preventive medication at baseline, n (%) | 38 (42%) |
All patients were diagnosed with chronic migraine without medication overuse headache. Abbreviations: SD, standard deviation; IQR, interquartile range.