Fig. 4From: Real-world evidence data on the monoclonal antibody erenumab in migraine prevention: perspectives of treating physicians in GermanyGlobal impression scale in migraine patients after 3 months of erenumab treatment – medical chart review (N = 542); EM = episodic migraine; CM = chronic migraine; Clinical global impression scale of improvement was defined by responses of very much improved, clearly improved, somewhat improved, no change, clearly deteriorated and very much deterioratedBack to article page