Research Article

The Effect of Propofol on Chronic Headaches in Patients Undergoing Endoscopy

Figure 2

Summary dot plot with mean (±SEM) points of HIT-6 questions 4 (a), 5 (b), and 6 (c) obtained from 31 patients with chronic headaches undergoing endoscopy. The questionnaire was filled out before (pre) and 30 days after endoscopic procedure.
(a)
(b)
(c)