Table 1.

Disease activity index (DAI) score.

Score	Weight loss	Stool consistency change	Bleeding
0	None	None	None
1	0–5%	Loose stool	Trace of fecal occult blood
2	5–10%		Mild occult blood
3	10–20%	Diarrhea	Obvious occult blood
4	>20%		Severe bleeding