Table 1.

Criteria for Scoring Disease Activity Index

Score	Weight Loss (%)	Stool Consistency	Occult Blood or Gross Bleeding
0	None	Normal	Negative
1	1–5
2	5–10	Loose stool	Hemoccult positive
3	10–15
4	>15	Diarrhea	Gross bleeding

Notes: Disease activity index = (combined score of weight loss, stool consistency and occult blood or gross bleeding)/3. Normal stools: shape of pellets; loose stools: pasty stools that does not stick to the anus; diarrhea: liquid stools that sticks to the anus.