Table 2.

Disease activity index (DAI) scoring system.

Score	Weight loss (%)	Stool consistency	Occult/gross bleeding
0	None	Normal	Normal
1	1–5	Normal	Normal
2	5–10	Loose stool	Hemoccult positive
3	10–20	Loose stool	Hemoccult positive
4	>20	Diarrhoea	Gross bleeding

Scores were tallied for each category and then divided by 3 to obtain the DAI.