Abstract
BackgroundThe percentages of hypochromic red blood cells (%HYPOm) and cellular hemoglobin in reticulocytes (CHr) are suggested to be useful screening markers of iron deficiency. The aim of this study was to investigate the diagnostic accuracy of %HYPOm and CHr in differentiating iron deficiency anemia (IDA) and anemia of chronic disease (ACD). MethodsThe retrospective population consisted of 58 IDA patients, 129 ACD patients and 63 controls, on whom bone marrow examination and blood count with %HYPOm and CHr had been performed. Receiver operating characteristic (ROC) analyses with area under the ROC curves (AUC) were used as statistical tests. ResultsAUCs for differentiating the groups using %HYPOm were as follows: IDA vs. controls 0.99, ACD vs. controls 0.85 and IDA vs. ACD 0.88. AUCs for CHr in distinguishing the groups were as follows: IDA vs. controls 0.95, ACD vs. controls 0.65 and IDA vs. ACD 0.83. ConclusionsIDA and ACD patients were efficiently differentiated by using %HYPOm and CHr. Additionally, %HYPOm was higher and CHr was lower in IDA patients and in ACD patients than in controls. Thus, %HYPOm is higher and CHr is lower not only in absolute iron deficiency, but also when iron availability for erythropoiesis is restricted.
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