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  • Title: [Hemoglobin in blood donor selection].
    Author: Chueca PM, Galar GM, Ardanaz MF, Zabalegui A, Muruzábal L, Muñoz A.
    Journal: Sangre (Barc); 1995 Feb; 40(1):41-4. PubMed ID: 7716670.
    Abstract:
    PURPOSE: To evaluate and establish a relationship between serum ferritin value and haemoglobin level, serum iron or transferrin in volunteer blood donors. MATERIAL AND METHODS: We have studied a group of 479 blood donors from Navarra's Health Area V, whose blood cell examination, iron, ferritin and transferrin values were determined. We classified these donors in 4 groups according to their ferritin concentration (ng/mL): f1 (0-12), f2 (13-20), f3 (21-400) and f4 (more than 400). The results were analyzed by the statistical program SPSS/PC+. The sensitivity, specificity, accuracy and predictive value of the positive test, for the determination of haemoglobin level as an indicator of iron deposits were calculated. RESULTS: The comparative statistical study of all these groups indicated that there were significant differences in the ferritin and the haemoglobin values (p < 0.001 and p < 0.05, respectively), except between f1 and f2, which only presented and intergroup difference in the ferritin values. In blood donors, the estimation of iron deposits from the hemoglobin level showed a diagnostic sensitivity greater than 90%. CONCLUSIONS: Haemoglobin values would allow the selection of those donors that could have an iron deficiency, or a borderline concentration; nevertheless, it would not allow the distinction between these two groups. This last observation is not important because donors that show a ferritin value lower than 20 ng/mL should not give blood. When the ferritin is greater than 20 ng/mL in men, the iron deposits will be adequate in 97% of them. This percentage is about 90 in women whose haemoglobin level is greater than 12.5 g/dL. Therefore, we consider that haemoglobin values present a good cost/benefit ratio for donor selection.
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