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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Red cell indices: Differentiation between β-thalassemia trait and iron deficiency anemia and application to sickle cell disease and sickle cell thalassemia
Clinical Chemistry and Laboratory Medicine, Volume 51, No. 8, Year 2013
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Description
Background: In Tunisia, thalassemia and sickle cell disease (SS) represent the most prevalent monogenic hemoglobin disorders with 2.21% and 1.89% of carriers, respectively. This study aims to evaluate the diagnosis reliability of 12 red blood cell (RBC) indices in differentiation of β-thalassemia trait (β-TT) from iron deficiency anemia (IDA) and between homozygous SS and sickle cell thalassemia (ST). Methods: The study covered 384 patients divided into three groups. The first one is composed of 145 control group, the second consists of 57 β-TT and 52 IDA subjects and the last one with 88 SS and 42 ST patients. We calculated sensitivity, specificity, positive-predictive values, negative-predictive values, percentage of correctly identified patients and Youden's Index (YI) for each indice. We also established new cut-off values by receiver operating characteristic curves for each indice. An evaluation study was performed on another population composed of 106 β-TT, 125 IDA, 31 SS, and 17 ST patients. Results: Srivastava Index (SI) shows the highest reliability in discriminating β-TT from IDA at 5.17 as a cut-off and also SS from ST with 7.7 as another threshold. Mentzer Index (MI) and RBC appear also useful in both groups with new cut-offs slightly different from those described in literature for β-TT and IDA. Conclusions: The effectiveness and the simplicity of calculation of these indices make them acceptable and easy to use. They can be relied on for differential diagnosis and even for diagnosis of β-TT with atypical HbA2 levels. © 2013 by Walter de Gruyter Berlin Boston 2013.
Authors & Co-Authors
Sahli, Chaîma Abdelhafidh
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Bibi, Amina
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Ouali, Faida
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Fredj, Sondess Hadj
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Dakhlaoui, Boutheina
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Othmani, Rym
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Laaouini, Naouel
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Jouini, Latifa
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Ouenniche, Fekria
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Siala, Hajer
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Touhami, Imed
France, Nimes
Caractéristiques Féminines Des Dysfonctions Des Interfaces Vasculaires
Becher, Mariem
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Fattoum, Slaheddine
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
El Houda Toumi, Nour
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Messaoud, Taïeb Ben
Tunisia, Tunis
Université de Tunis el Manar, Hôpital D'enfants Béchir Hamza de Tunis
Statistics
Citations: 17
Authors: 15
Affiliations: 2
Identifiers
Doi:
10.1515/cclm-2012-0842
ISSN:
14346621
e-ISSN:
14374331
Study Design
Randomised Control Trial
Cross Sectional Study
Study Locations
Tunisia