Tools, Technologies and Training for Healthcare Laboratories

Quality Requirements and Standards

It's time to talk about bias - is it a shift or an uncertainty?

A key part of the ongoing debate about measurement uncertainty and allowable total error hinges on how we talk about bias. Is bias just another uncertainty like imprecision? Or is it truly a shift, a linear change that cannot be included in uncertainty calculations? Recent metrological approaches have attempted to fudge the answer to this question. But it's time to tackle it head on.

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Perspectives on Analytical Quality (Part 1)

After nearly 8 years of building the new EFLM biological variation database, the recommendations for anaytical quality specifications have been adjusted downward. Desirable specifications are too demanding. What should labs do instead? The minimum.

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