Fig. 4From: Treatment benefit among migraine patients taking fremanezumab: results from a post hoc responder analysis of two placebo-controlled trialsMean change from baseline in monthly average number of days with any acute headache medication use. a, b CM, chronic migraine; EM, episodic migraine; MAMD, monthly average migraine days. aFor participants with EM, response was defined as a reduction of ≥ 2 MAMD. bFor participants with CM, response was defined as a reduction of ≥ 4 MAMDBack to article page