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| Score | Weight loss% | Stool consistency | Blood in stool |
|---|---|---|---|
| 0 | 0 | Normal | Normal |
| 1 | 1–5 | Soft | Normal |
| 2 | 5–10 | Fluid | Occult blood |
| 3 | 10–20 | Fluid | Occult blood |
| 4 | ≥ 20 | Diarrhea | Gross bleeding |