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The value of Sigma-metrics in laboratory medicine
Hassan Bayat1, Sten A Westgard2, James O Westgard2,3
1Sina Medical Laboratory, Qaem Shahr, Iran.
Abstract:
While Six Sigma is used in different disciplines to improve quality, Tony Badric and Elvar Theodorsson in a recent paper in CCLM have questioned Six Sigma application in medical laboratory concluding Six Sigma has provided no value to medical laboratory. In addition, the authors have expanded their criticism to Total Analytical Error (TAE) model and statistical quality control. To address their arguments, we have explained the basics of TAE model and Six Sigma and have shown the value of Six Sigma to medical laboratory.
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