Fig. 1From: Clinical experience with transcutaneous supraorbital nerve stimulation in patients with refractory migraine or with migraine and intolerance to topiramate: a prospective exploratory clinical studyNumber of headache days (a,) number of headache days with intensity ≥5/10 (b) and number of days with acute medication use (c) by patient satisfaction over the 3-months active treatment period with Cefaly®Back to article page