Abstract
AbstractQuantitation of hemoglobin α2δ2 (HbA2) is a basic and confirmatory test in diagnosing the carrier state of β‐thalassemia. The present study was designed to investigate the effect of cigarette smoking on the diagnostic reliability of HbA2. A total of 2,867 (654 smokers and 2,213 never smokers) male subjects were involved in the present study. The subjects were categorized into three groups according to their laboratory findings: β‐thalassemia minor, iron deficient, and normal groups. Complete blood count (CBC) parameters and HbA2 levels were compared between smokers and never smokers of each group according to the independent‐samples t‐test using the SPSS® program, significance results were reported at P<0.05. The results showed a significant increase in red blood cell (RBC) mass (RBC count and hematocrit [Hct]) and Hb concentration in smokers of all groups; however, no significant differences were reported in the HbA2 level between smokers and never smokers in all groups. It was concluded that cigarette smoking does not affect the diagnostic reliability of the HbA2 test. J. Clin. Lab. Anal. 22:119–122, 2008. © 2008 Wiley‐Liss, Inc.
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