Figure 2From: Defining a minimal clinically important difference for endometriosis-associated pelvic pain measured on a visual analog scale: analyses of two placebo-controlled, randomized trials Change in VAS score categorized by patients' assessments on the modified CGI scale-global improvement item. Boxplots are drawn using the 10th and 90th percentiles as endpoints of the whiskers. Outlying observations are shown using a dot as the plot symbol.Back to article page