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| Score | Weight loss (%) | Stool consistency** | Rectal bleeding |
|---|---|---|---|
| 0 | None | Normal | Negative |
| 1 | 1–5 | Loose stool | Hemoccult positive |
| 2 | 5–10 | Diarrhea | Gross bleeding |
| 3 | 10–15 | ||
| 4 | >15 |
*DAI was calculated by summing the scores of weight loss, stool consistency, and rectal bleeding.
**Normal stools: well formed pellets; loose stool: pasty stool that does not stick to the anus; diarrhea: liquid stools that sticks to the anus.
