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Frequency investigated etiology of iron deficiency anaemia
| Etiology | Frequency (%) |
|---|---|
| Colonic carcinoma | 5-10 |
| Gastric carcinoma | 5 |
| Benign gastric ulceration | 5 |
| Angiodysplasia | 5 |
| Coeliac disease | 4-6 |
| Excessive blood loss during menstruation | 20-30 |
| Gastric antral vascular ectasia | 1-2 |
| NSAIDs related | 10-15 |
