Fig. 2From: Cluster headache attack remission with sphenopalatine ganglion stimulation: experiences in chronic cluster headache patients through 24 monthsHIT-6 Headache Disability Changes. HIT-6 scores in patients with remission (N = 10). Improvements in HIT-6 scores from baseline in these 10 patients are clinically (*) and statistically (#) significant at both the post-remission and 24 month evaluation pointsBack to article page