Fig. 3From: Efficacy of galcanezumab in patients with migraine and history of failure to 3–4 preventive medication categories: subgroup analysis from CONQUER studyEstimated proportion of patients with acute medication overuse: a. Overall, b patients with episodic migraine and c patients with chronic migraine. Abbreviations: CM, chronic migraine; EM, episodic migraine; GMB, galcanezumab; PBO, placeboBack to article page