Table 1.

Disease activity index (DAI) scoring system [adapted from (Nishiyama et al., 2012)].

Score	Diarrheal stool score	Bloody stool score
0	Normal stool	Normal colored stool
1	Midly soft stool	Brown stool
2	Very soft stool	Reddish stool
3	Watery stool	Bloody stool

The sum of the scores of two parameters was defined as the DAI score.