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Criteria for disease activity index (DAI) scoring of the mice with DSS-induced colitis
| Weight loss | Fecal characteristics | Bloody stool | DAI score |
| 0 | Normal feces | No bloody stool | 0 |
| 1 %-5% | Soft stool | Positive for occult blood test | 1 |
| 5%-10% | L oose stool | Positive for occult blood test | 2 |
| 10%-1 5% | Amorphous feces | Visible bloody stool without attachment to the anus | 3 |
| > 15% | Diarrhea | Hemorrhagic stool attached to the anus | 4 |
