Table 1.

Scores of disease activity index

Score	Weight loss	Stool consistency∆	Hemafecia
0	No loss	Normal	No blood
1	1-5%
2	5-10%	Loose stools	Hemoccult positive
3	10-20%
4	> 20%	Diarrhea	Gross bleeding

^∆Normal stools = well formed pellets, loose stools = pasty and semi-formed stools which do not stick to the anus, diarrhea = liquid stools that stick to the anus [15].