Preventive medication | Mean number of phases (per person-year)a | Mean duration of phases (days per person-year)b |
---|---|---|
All | 1.15 | 119.1 |
Valproic acid | 1.51 | 131.1 |
Candesartan | 1.48 | 306.3 |
Bisoprolol | 1.45 | 117.6 |
Onabotulinum toxin Ac | 1.41 | 278.5 |
Topiramate | 1.25 | 138.3 |
Metoprolol | 1.22 | 103.5 |
ARAs (‘sartans’) | 1.20 | 274.4 |
Amitriptyline | 1.16 | 92.4 |
Propranolol | 1.11 | 70.1 |
Opipramol | 1.05 | 81.1 |
Flunarizine | 0.84 | 92.6 |
Lisinopril | 0.67 | 137.5 |