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Causes of anaemia in old age with the relevant values measured in the laboratory to narrow down the causes (main findings).
| Anaemia | Value measured in the laboratory |
| Chronic inflammatory diseases | Ferritin 
|
| Dietary iron deficiency | Ferritin 
|
| Vitamin B12 and folic acid deficiency | MCV , vitamin B12, folic acid
|
| Chronic lymphatic leukaemia | Blood count |
| Myelodysplastic syndrome | Examination of bone marrow |
