Tools, Technologies and Training for Healthcare Laboratories


FAQ's on N, runs, control limits

It's time once again to post some of the questions we received in the last few months. These questions were important enough that we thought the answers should be shared with everyone. The definition of N and a run is discussed, as well as z-values, defect rates, external QC when there is no peer group, etc.

login to read

Joomla SEF URLs by Artio

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.