Figure 3C: DAI sub score analysis – change in mucosal appearance by endoscopy between baseline and week 4 Non parametric statistical analysis of the change in endoscopy/mucosal appearance at week 4 compared to baseline for each treatment group.Population used for the analysis is defined as efficacy evaluable(EE) being those that completed the visit at week 4. (Endoscopic score; 0= normal or inactive disease, 1=mild friability and decreased vascular pattern, 2=moderate friability and absent vascular pattern and erosions, 3=spontaneous bleeding and ulcerations; p-values depict significance).