| Comparator | PEA |
Total headache observations (n) | 149 | 120 |
Mild at onset (n) | 14 | 12 |
Moderate at onset (n) | 68 | 66 |
Severe at onset (n) | 67 | 42 |
VAS score [n (SD)] | 59.64 (18.4) | 56.68 (17.9) |