Table 1.

Criteria for disease activity index^a

Score	Weight loss (%)	Stool consistency	Fecal bleeding
0	< 0	Normal	Normal
1	1–5	–
2	6–10	Soft	Slightly bloody
3	11–15	Loose	Bloody
4	> 15	Diarrhea	Severely bloody

^aDAI [= (weight loss) + (stool consistency) + (fecal bleeding)] was used to assess the severity of colonic inflammation