
Six Sigma in a Manufacturing Setting – A journey of understanding with Prof Zoe
In March 2015 I wanted to understand how six sigma is used in a manufacturing setting, where it originated. Do they manage quality with sigma? I hired a freelance writer, Ranjesh Kumar, with a greenbelt in six sigma to visit a factory and write this essay on “Six...

Downloads: The Business Case for Optimized Quality Control Practice
See/Download Poster

Downloads: How Total Error Can Save Time and Money for the Lab
See/Download Article

Downloads: M.O.R.E. Quality ASCP Poster 2016
See/download full poster

Do 70% of medical decisions depend on laboratory results?
The votes are in on LinkedIn, and the belief still stands, despite the lack of evidence and several articles to the contrary. As scientists, should we not demand proof? Check "The ‘70% claim’: what is the evidence...

COVID-19 Testing – Impact of Prevalence, Sensitivity, and Specificity on Patient Risk and Cost
COVID-19 Testing – Impact of Prevalence, Sensitivity, and Specificity on Patient Risk and Cost Zoe C. Brooks * and Saswati Das To evaluate the test methods, sensitivity (percent positive agreement - PPA) and specificity (percent negative agreement – PNA) are the most...

Mathematically-OptimiZed Risk Evaluation ASCP Poster 2016
ASCP Poster 2016 Laboratories have used quality control (QC) concepts and theories based on the same statistical calculations and assumptions for decades. Risk management, as stated in Clinical & Laboratory Standards Institute’s (CLSI) EP23A Guideline, adds an...

1994: How Total Error can save Time and Money for the Laboratory
This article was published by MLO in 1994. The selection of QC processes to meet medical need is far from new. This has evolved over the years to risk management and clearly defined QC processes as described in CLSI EP23A. See/Download Article

The business case for optimized quality control practice
This 2012 AACC poster was the first to quantify achievable savings with Mathematically OptimiZed Risk Evaluation. See/Download Poster