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Six Sigma - is it time to re-evaluate its value in laboratory medicine?

Tony Badrick1, Elvar Theodorsson2

  • 1Royal College of Pathologists of Australasia Quality Assurance Programs, Sydney, NSW, Australia.

Clinical Chemistry and Laboratory Medicine
|June 10, 2024
PubMed
Abstract

None:

The Sigma metric is widely used in laboratory medicine.

Keywords:
Sigma metricassay performancequality improvement

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In healthcare diagnostics, laboratory tests play a crucial role in identifying and diagnosing a wide range of medical conditions. However, interpreting test results is not always straightforward. An abnormal test result does not always confirm the presence of a disease, just as a normal result does not guarantee its absence. To assess the reliability of these diagnostic tools, healthcare practitioners rely on two key statistical indicators: sensitivity and specificity.
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Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
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