| Type of headache | Positive skin test | p-value |
|---|---|---|
| Headache zone | ||
| Vertex (%) | 5 (71.4%) | 0.062 |
| Occipital (%) | 6 (75.0%) | |
| Frontal | 15 (83.3%) | |
| Temporal | 2 (28.6%) | |
| Unilateral/bilateral | ||
| Unilateral (%) | 5 (62.5%) | 0.67 |
| Bilateral (%) | 23 (71.9%) | |
| Disease severity | ||
| Mild to moderate (%) | 11 (84.6%) | 0.16 |
| Severe (%) | 17 (63.0%) | |
| Headache quality | ||
| Throbbing (%) | 5 (55.6%) | 0.28 |
| Non-throbbing (%) | 23 (74.2%) | |
| Headache coupled with activity | ||
| Yes (%) | 19 (70.4%) | 0.94 |
| No (%) | 9 (69.6%) | |
| Motion sickness | ||
| Yes (%) | 8 (61.5%) | 0.41 |
| No (%) | 20 (74.1%) | |
| Attacks before prophylaxis | ||
| Every week | 16 (72.7%) | 0.35 |
| 1 week to 1 month | 9 (60%) | |
| 1 month to 3 month | 3 (100%) | |
| >3 month | 0 | |
| Attacks after prophylaxis | ||
| Every week | 1 (100%) | 0.32 |
| 1 week to 1 month | 12 (80%) | |
| 1 month to 3 month | 10 (55.6%) | |
| >3 month | 5 (83.3%) |