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| Nutritional intakes | 2 weeks before surgery | Postoperative day | 1 month after surgery | 3 months after surgery | 8 months after surgery | 12 months after surgery |
|---|---|---|---|---|---|---|
| Energy (kcal/d) | 1,800 | - | 620 | 900 | 500 | 650 |
| Protein (g/d) | 50 | - | 90 | 105 | 60 | 25 |
| Multivitamin supplement | - | - | Taken | Taken | Taken | Taken |
| Vitamin D supplement | - | - | Taken | Taken | Taken | Taken |
