New haematologic score to discriminate beta thalassemia trait from iron deficiency anaemia in a Spanish Mediterranean region.

Several studies have stablished discriminant formulas (DF) from red blood cell (RBC) data as simple, low time-consuming and inexpensive tools to differentiate β-thalassemia trait (β-TT) from iron deficiency anaemia (IDA). The aim of this work is to introduce new formulas and evaluate them in the differentiation of microcytic anaemia (MA) into either β-TT or IDA in the Mediterranean region of Tarragona. A total of 200 anonymized haematological determinations with MA were collected, 100 diagnosed of β-TT and 100 diagnosed of IDA.