Figure 3A: DAI sub score analysis – change in stool frequency between baseline and week 4 Non parametric statistical analysis of the change in stool frequency 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. (Stool frequency score indicates how many more stools than normal are passed per day; 0= normal, 1= 1-2, 2= 3-4 and 3= >4; pvalues depict significance).