Table 1. Clinical details of the CM and HC groups.

Variables	CM group	HC group
No. of cases	17	20
Males, n	7	9
Females, n	10	11
Age (years), mean ± SD	45.41±14.87	43.56±8.77
Mean headache severity per month (VAS score 0–10), mean ± SD	5.92±1.21	–
Days with headache per month, mean ± SD	17.76±2.19	–
Days with migraine pain feature per month, mean ± SD	10.65±2.83	–
Disease duration (months), mean ± SD	10.47±3.99	–

Results represent mean ± standard deviation (SD). CM, chronic migraine; HC, healthy control; VAS, visual analog scale.