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The percentage represents the quantity of anaemic patients investigated for vitamin B12, folate, ferritin, serum iron levels, CRP and myeloma screen (n=166). CRP: C-reactive protein
| Investigations | Not checked | Checked on admission | Checked in last year | Appropriately not checked |
| B12 | 41% | 20% | 33% | 6% |
| Folate | 42% | 19% | 33% | 6% |
| Ferritin | 52% | 16% | 26% | 6% |
| Serum Iron | 81% | 6% | 7% | 6% |
| CRP | 7% | 93% | - | - |
| Myeloma screen | 70% | 17% | - | 13% |
