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Results of nutritional evaluation by serum assays (n = 23 patients)
| Nutrient | Serum levels (% of patients) | ||
| Low | Normal | High | |
| Iron | 48% | 46% | 6% |
| Ferritin | 70% | 24% | 6% |
| Beta-carotene | 48% | 52% | 0% |
| Vitamin B1 | 52% | 48% | 0% |
| Vitamin B6 | 57% | 37% | 6% |
| Vitamin B12 | 35% | 65% | 0% |
| Folate | 26% | 74% | 0% |
| Vitamin C | 57% | 43% | 0% |
| Magnesium | 22% | 78% | 0% |
| Zinc | 26% | 58% | 16% |
