Abstract
The most commonly encountered disorders with microcytic anemia are iron deficiency anemia (IDA) and β-thalassemia trait (BTT).It is important to distinguish between IDA and BTT to avoid unnecessary iron therapy and the development of hemosiderosis.Various parameters obtained on automated haematology analyser by calculating discriminant functions have been helpful to differentiate iron deficiency anemia and β-thalassemia trait. Materials and Methods: This study was carried out in the pathology department of Gujarat Adani Institute Of Medical Science.We had studied 100 cases of differentiating Iron deficiency anaemia and β-Thalassaemia trait from patient's case records and laboratory reports irrespective of age and sex over a period of one year (January 2020 to December 2020).Tests for serum iron and ferritin were carried out in individuals showing low hemoglobin (Hb). All the selected subjects' samples were subjected to blood morphology, comparison of mean cell volume (MCV), RBC count, red cell distribution width (RDW), Red cell distribution width Index (RDWI),Srivastav Index(SI),Green and king Index (GI) and Mentzer's Index(MI). Results: Out of 100 cases seventy five were diagnosed having iron deficiency anaemia, whereas twenty five were having βthalassemia trait. The RBC count was higher and MCV was much lower in β-thalassemia trait as compared to iron deficiency anaemia.Both groups were subjected to RDW,RDWI,SI,MI and GI. Conclusion:Among various discriminant function calculated from different haematological parameters and blood indices,Mentzer index and Srivasta index are more sensitive and specific for differentiating iron deficiency anaemia and β-thalassemia trait.
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