PROSTAGLANDIN-E2 LEVELS OVER THE COURSE OF GLYCERYL TRINITRATE PROVOKED MIGRAINE ATTACKS 103 5 Figure 3 Mean verbal rating scale (VRS) for headache severity per responder group The X-axis represents time after GTN infusion and the Y-axis the mean VRS. In red, participants with migraine who responded to GTN (GTN responders), participants with migraine who did not respond to GTN (GTN non-responders) in green and healthy controls in blue. GTN, glyceryl trinitrate; VRS, verbal rating scale. All subjects (including those without headache) were used in the calculation of the average. For some time points there were many missing values, this resulted in exclusion of these time points from the figure. Whiskers represent the standard deviation from the mean.
RkJQdWJsaXNoZXIy MTk4NDMw