Table 2.

The detailed criteria for the disease activity index scoring

Score	Body weight decrease rate	Fecal property	Hematochezia status
0	0%	Normal	Normal
1	1–5%	Semiloose (+)	Feces with occult blood (+)
2	6–10%	Semiloose (++)	Feces with occult blood (++)
3	11–15%	Loose (+)	Bloody feces (+)
4	>15%	Loose (++)	Bloody feces (++)

Note: Normal stools refer to granular stools; semiloose stools refer to paste-shaped loose stools that do not adhere to the anus or semi-formed stools; lose stools refer to watery stools that adhere to the anus. The normal feces, feces with occult blood (+), and feces with occult blood (++) referred to stool without visible blood and showed 3 negative, 1–2 positive, and 3 positive testing results with the Modified EZ Detect Fecal Occult Blood Test Kit, respectively. Bloody feces referred to stool with visible blood presenting red or dark red in color.