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2018, Cilt 16, Sayı 1, Sayfa(lar) 048-052
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Evaluation of Total Analytical Error with Different External Quality Program Data
Kübranur Ünal
Ankara Polatlı Devlet Hastanesi, Tıbbi Biyokimya, Ankara, Türkiye
Keywords: Quality control; bias; total quality management

Objective: The aim of this study, was to determine whether the Troponin I and CK-MB test results obtained from our laboratory meet the acceptable quality standards.

Material and Methods: Total %CV of troponin I and CK-MB was obtained from internal quality control results between May and June 2017. % Bias was calculate from three different external quality control programs. Values for the same analyzer and the same method were used. Total Analytical Error (TEa) was calculated by the formula “% Bias + (1.65 ×% CV)''. TEa values which determined based on biological variation were used.

Results: The Total Analytical Error values of troponin I and CK-MB tests did not exceed the allowable total error limits. The effect of % Bias obtained from different external quality control programs on Total Analytical Error was not observed.

Conclusion: This study emphasized the importance of calculating the total analytical error values of each laboratory in the analytical process. It has been shown that the Total Analytical Error values which obtained from external quality control data in our laboratory are within the allowable total error limits.


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