50 (+) Ways to break your Westgard Rules
There may be 50 ways to leave your lover, but how many ways can you break the "Westgard Rules"? Can you guess? You may be surprised by the possibilities.
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Westgard Sigma Rules
We've talked about Westgard Rules for decades, and we've talked about Six Sigma for years. So what happens when we try to talk about both at the same time? Westgard Sigma Rules
A Downside of Negative Controls for SARS-COV-2 Testing?
Fighting the pandemic is hard enough. Do we have to struggle with the QC on negative controls for SARS-COV-2 assays too?
The 2021 Great Global QC Survey Results
The results are in! More than 600 laboratories from more than 100 countries around the globe answered the 2021 Westgard survey on QC practices. How are labs really performing quality control? The answers may surprise you.
Guidance for Improving Statistical QC Frequency Strategy for Multitest Analyzers
The body of literature on QC Frequency continues to grow. Change is coming, get ready. It's time to think about QC Frequency.
The Poor Lab's Guide to the Regulations 2021 edition
Westgard QC is proud to announce the publication of the 2021 edition of Dr. Sharon S. Ehrmeyer's book, The Poor Lab's Guide to the Regulations.
Consolidated Comparison of Chemistry Performance Specifications
Standarization or Standarisation? Harmonization or Harmonisation? We seem to be headed toward a schism in performance specifications, rather than a consensus. Here's a current comparison of Global Performance Specifications for Chemistry Assays.
