Benefit Effect of Dendrobium officinale Ultrafine Powder on DSS-Induced Ulcerative Colitis Rats by Improving Colon Mucosal Barrier

Table 1

Scoring standard of the disease activity index (DAI) [20].

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 (++)