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Why Bother with Bias?

In the lab, we have a healthy debate on bias. Sometimes we argue if it exists, or if we should just ignore it. Other times, we argue about the best way to calculate bias and against which reference. Here's a lesson that covers all the arguments. Read more…

Ring the New Year, Please!

Wisconsin is covered with snow, some 18 inches has fallen here in Madison, schools are closed, the University students are staging the biggest snowball fight ever, and I’m “homebound” until the streets get plowed.  It seems like a good time to stop and think about the past year and start planning for the next year.

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Free Membership is Free

To read some articles, you now must join Westgard Web as a member.

But membership is free.

Fill out one form and you'll get access to hundreds of articles, demos, downloads and worksheets.

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New Course: Risk Assessment

Intro to Risk Analysis

With new standards and guidelines for Quality based on Risk Managment headed for the laboratory, Westgard QC is offering you a head start.

 

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Rilibak - German Guidelines for Quality

An unofficial English translation of the RiliBÄK (Richtlinien der Bundesärztekammer). The term ‘RiliBÄK’ is an abbreviation meaning literally the Guidelines ("Rili") of the German Federal Medical Council (BÄK).

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How is Risk Assessed?

One of the critical early steps of Risk Management is Risk Assessment. There are a multitude of approaches to Risk Assessment, with varying degrees of complexity. Dr. Westgard examines the different approaches and makes recommendations on optimization and customization of these techniques for the healthcare laboratory. (Preview)

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What's the TEa for D? Allowable Error for vitamin D

Stockl et al's landmark paper on vitamin D establishes desirable specifications for imprecision and inaccuracy (trueness). But what about total allowable error? With the use of QC Design tools, we can turn individual specifications into a broader quality requirement. Please Login (at right) or Register to view article

 
HbA1c in 2010, Part III

The third part of an extended discussion of HbA1c methods and the analytical quality necessary for patient care. This lesson draws on the January 2010 issue of Clinical Chemistry, which had a full-fledged evaluation study on Point-of-Care HbA1c instruments, as well as a 2009 abstract of the performance of 2 new methods.

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HbA1c in 2010

The January 2010 issue of Clinical Chemistry had a full-fledged evaluation study on Point-of-Care HbA1c instruments. Surprisingly, it found that most of these POC devices do not provide enough analytical quality. Here's an extended discussion of what this means.

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How to Order

With the new website, we also have a new online store. If you want to get an idea of how to use the online store to place an order for our courses, books, or software, here is a step-by-step explanation. Includes screen shots so you'll have a good preview of each part of the ordering process.

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HbA1c in 2010, Part IV
The fourth part of an extended discussion of HbA1c methods and the analytical quality necessary for patient care. This lesson draws on the January 2010 issue of Clinical Chemistry, which had a full-fledged evaluation study on Point-of-Care HbA1c instruments, as well as the February 2010 issue of Clinical Laboratory News, and a 2009 abstract of the performance of 2 new HbA1c methods.

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HbA1c in 2010, Part II

The second part of an extended discussion of HbA1c methods and the analytical quality necessary for patient care. This lesson draws on the January 2010 issue of Clinical Chemistry, which had a full-fledged evaluation study on Point-of-Care HbA1c instruments.

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Westgard Training
For those who seek to learn about "Westgard Rules", Quality Control, and other topics about laboratory quality management, Westgard QC can provide the best training, either through books, online courses, or public or private workshops.
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About this website

WESTGARD QC promotes the latest news, education, and tools in the quality control field. Our goal is to bring tools, technology and training into today's healthcare industry — by featuring QC lessons, QC case studies and frequent essays from leaders in the quality control area. This is also a reference source for quality requirements, including CLIA requirements for analytical quality. This website features the best explanation of the Multirule ("Westgard Rules") and how to use them. For laboratory and healthcare professionals looking for educational and reference material in the quality control field.

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