Table 2.

Scoring system of disease activity index ^a.

Score	Weight Loss (%)	Stool Consistency	Hematochezia b
0	None	Normal	Absence
1	0–10
2	11–15	Loose stool c
3	16–20
4	>20	Diarrhea	Presence

^a DAI = (score of weight loss) + (score of stool consistency) + (score of hematochezia). ^b The presence of gross blood in the stool or anus. ^c The formation of a stool that readily becomes paste on anus of mice.