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Table 4 Mean (M) and standard deviation (SD) of the percent reduction in migraine frequency for patients with MO: migraine without aura, MA: migraine with aura, and CM: chronic migraine

From: Failure of preventive treatments in migraine: an observational retrospective study in a tertiary headache center

Drugs Migraine diagnosis M
(%)
DS Case number
Beta-blockers MO 23.31 63.17 36
MO + MA 12.50 17.68 2
CM 56.67 40.60 7
Total 28.02 59.72 45
calcium channel blocker MO 34.04 40.41 139
MA 56.25 61.87 2
MO + MA 44.40 38.54 9
CM 25.06 29.09 15
Total 34.05 39.51 165
Antidepressants MO 26.93 43.49 245
MA 20.45 36.63 5
MO + MA 22.09 56.62 17
CM 31.05 32.88 157
Total 28.18 40.37 424
Integrators MO 25.88 54.23 57
MO + MA 33.33 22.82 4
CM 27.92 24.25 3
Total 26.44 51.59 64
Antiepileptics MO 18.51 56.06 149
MA 56.59 34.73 5
MO + MA 22.87 58.33 22
CM 29.97 32.88 101
Total 23.70 49.05 276
Sartans MO 22.35 57.85 21
MO + MA 25.00 35.36 2
CM 16.45 23.65 13
Total 20.37 46.36 36
Total MO 26.07 48.84 647
MA 41.47 40.24 12
MO + MA 26.54 50.79 56
CM 30.31 32.64 295
Total 27.52 44.75 1011
  1. ANOVA with drugs as a factor: F = 0.47, p = 0.81; with migraine diagnosis as a factor: F = 0.73, p = 0.53; with drugs x migraine diagnosis: F = 0.70, p = 0.73