Fig. 2
From: Caffeine discontinuation improves acute migraine treatment: a prospective clinic-based study
Proportion of positive responses for each item of the Migraine-ACT questionnaire, according to the subgroups of high (≥200 mg/day), low (<200 mg/day), and no consumption of caffeinated agents. *The Migraine-ACT questionnaire is comprised of: item 1 (Consistency of response), item 2 (Disappearance of pain within 2 h), item 3 (Ability to function normally within 2 h), and item 4 (Feeling comfortable enough to be able to plan daily activities)