Fig. 2From: Preventive treatment patterns in the adult migraine population: an observational UK study over 7 yearsOral preventive medication class regimens by line of therapy – CPRD Migraine Preventive Treatment User Cohort (N = 34,448)a. aTreatments that comprise < 1% are not displayed, so the patient count is lower than the cohort size. CPRD: Clinical Practice Research Datalink; N: number of patients in total population. Clarification: (i) In the second column, third block from the top “Anti epileptics: 2,774” is stated, and (ii) in the third column, third block from the top “Anti epileptics + Beta Blocker + Tricyclic Antidepressants: 260” is statedBack to article page