Table 2.

Disease activity index (DAI) score performed to assess the colitis induced by DSS.

Score	Weight loss (%)	Stool consistency	Occult/gross bleeding
0	Wl < 1%	Normal	Normal
1	1% ≤ Wl < 5%		+
2	5% ≤ Wl < 10%	Loose stool	++
3	10% ≤ Wl < 20%		+++
4	Wl ≥ 20%	Diarrhea	Gross bleeding