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
|
- Data shown are for prescribed Group 2 preventive medications (all preventive medications according to the German guideline for migraine [8])
- aCalculated as the number of phases (continuous prescriptions) divided by the amount of person-time at risk (first prescription to end of enrolment)
- bCalculated as the number of days covered by continuous prescriptions divided by the amount of person-time at risk (first prescription to end of enrolment)
- cPrescriptions for the Allergan brand of onabotulinum toxin A only were included
- ARA angiotensin II receptor antagonist