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Title: α-Thalassaemia and β-thalassaemia traits: Biological difference based on red cell indices and zinc protoporphyrin
Authors: Han, P. 
Fung, K.P. 
Teo, C.P.
Tam, L.P.
Keywords: α-thalassaemia
biological difference
Issue Date: 1990
Citation: Han, P., Fung, K.P., Teo, C.P., Tam, L.P. (1990). α-Thalassaemia and β-thalassaemia traits: Biological difference based on red cell indices and zinc protoporphyrin. Clinical and Laboratory Haematology 12 (2) : 169-176. ScholarBank@NUS Repository.
Abstract: α-Thalassaemia and β-thalassaemia traits are two commonly encountered haemoglobinopathies in South East Asia. Both present with hypochromia and microcytosis. The use of modern electronic or optical cell counters which measure accurately the red cell parameters has allowed for an initial quick screening for the presence of thalassaemia. Seven red cell parameters were measured by the Technicon H1 cell analyser-red cell count, Hb, MCV, MCH, red cell distribution width (RDW) and haemoglobin distribution width (HDW). Discriminant analysis of these parameters and zinc protoprophyin (ZP) indicates that in healthy individuals, α-thalassaemia can be differentiated from β-thalassaemia with an accuracy of 86% when analysed as a group. In hospitalized patients the accuracy dropped to 71% due to biases of concomitant illness. The two most important parameters for indicating differences between α- and β-thalassaemia are MCV and ZP. The results confirm further that though α- and β- thalassaemia have the same phenotypic expression they differ in their biology.
Source Title: Clinical and Laboratory Haematology
ISSN: 01419854
Appears in Collections:Staff Publications

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