Fig. 2From: Efficacy of mindfulness added to treatment as usual in patients with chronic migraine and medication overuse headache: a phase-III single-blind randomized-controlled trial (the MIND-CM study)Time by group analysis for change in headache frequency and percentage change from baseline to month 12. Notes. A, Headache days’ change from baseline to months 3, 6 and 12; B, Headache days’ percentage change from baseline to months 3, 6 and 12Back to article page