Table 1.

Scoring system for the calculation of disease activity index (DAI).

Score	Body Weight Loss	Stool Consistency	Bleeding
0	None	Normal	None
1	1–5%	Soft but maintains morphology	A little bloodstain
2	5–10%	Soft	Apparent bloodstain on fecal pellets and rectum +
3	10–20%	Very soft	Apparent bloodstain on fecal pellets and rectum ++
4	>20%	Diarrhea	Gross bleeding