| Score | Weight loss (%) | Stool character | Fecal occult blood |
|---|---|---|---|
| 0 | 0 | Normal formed | Negative |
| 1 | 1–5% | ||
| 2 | 5–10% | Loose stool | Positive |
| 3 | 10–20% | ||
| 4 | >20% | Diarrhea | Gross bleeding |
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