Table I.

Disease activity index scoring system^a.

Score	Weight loss (%)b	Stool consistency	Blood in stool
0	None	Well-formed stools	Negative
1	1-5%	Well-formed stools	Negative
2	6-10%	Pasty stools that did not adhere to the anus	Hemoccult positive
3	11-15%	Pasty stools that did not adhere to the anus	Hemoccult positive
4	>15%	Liquid stools that adhered to the anus	Gross bleeding

^aThe disease activity index score=the sum of the scores for weight loss, stool consistency and blood in stool/3.

^bBody weight change (%)=[(Weight change at day X)-(Weight at day 1)]/(Weight at day 1) x100.