Biochemia Medica, Vol. 28 No. 2, 2018.
Review article
https://doi.org/10.11613/BM.2018.020502
Analytical Sigma metrics: A review of Six Sigma implementation tools for medical laboratories
Sten Westgard
; Westgard QC, Madison, USA
Hassan Bayat
; Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, Iran
James O Westgard
; Westgard QC, Madison, USA
Abstract
Sigma metrics have become a useful tool for all parts of the quality control (QC) design process. Through the allowable total error model of laboratory
testing, analytical assay performance can be judged on the Six Sigma scale. This not only allows benchmarking the performance of methods
and instruments on a universal scale, it allows laboratories to easily visualize performance, optimize the QC rules and numbers of control measurements
they implement, and now even schedule the frequency of running those controls.
Keywords
Six Sigma metrics; quality control frequency; OPSpecs chart; method decision chart; Westgard rules
Hrčak ID:
201525
URI
Publication date:
15.6.2018.
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