Table 1 Demographic and clinical features of healthy controls, patients with EM and CM
|  | HC (n = 41) | EM (n = 32) | CM (n = 24) | p valuea | p valueb |
|---|---|---|---|---|---|
Age (years) | 36.0 ± 10.9 | 34.8 ± 15.4 | 34.8 ± 16.8 | 0.924 | 0.983 |
Sex (male/female) | 16/25 | 9/23 | 9/15 | 0.600 | 0.457 |
BMI (kg/m2) | 22.4 ± 2.7 | 23.3 ± 4.0 | 22.8 ± 3.3 | 0.538 | 0.604 |
Disease duration (years) | − | 11.5 (4.0–20.0) | 10.0 (5.3–22.3) | − | 0.666 |
Age of onset (years) | − | 22.0 (13.0–32.9) | 17.0 (12.3–26.8) | − | 0.393 |
Headache intensity (VAS) | − | 7.0 (5.0–8.0) | 7.0 (6.0–8.0) | − | 0.433 |
Attack frequency (days/month) | − | 6.5 (4.0–10.0) | 19.0 (15.0–30.0) | − | < 0.001 |
Side of Headache | |||||
Bilateral, n (%) | − | 24 (75.0%) | 18 (75.0%) | − | − |
Unilateral, n (%) | − | 8 (25.0%) | 6 (25.0%) | − | − |
 Left-sided, n (%) | − | 5 (15.6%) | 4 (16.7%) | − | − |
 Right-sided, n (%) | − | 3 (9.4%) | 2 (8.3%) | − | − |