Tools, Technologies and Training for Healthcare Laboratories

QC Design

Total Allowable Error and the Brain to Brain Loop

Total Error. Total Analytical Error. Total Allowable Error. There are a number of terms in use about errors, and it appears that a recent editorial from Clinical Chemistry and Laboratory Medicine has mistaken what the meanings of these terms are. Another popular concept right now is the "Brain-to-Brain" loop. How does Total Analytical Error interface with the Brain-to-Brain Loop? Are the two approaches in conflict or complementary?

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We need more data, more data, and more data

There is an oft-quoted maxim for the restaurant business, that only three things matter: location, location, location. In a similar vein, medical laboratories trying to assess method performance and analytical quality need to focus on three things: data, more data, and still more data.

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Errors before the Laboratory

Several recent studies assert they have calculated the rate of error in laboratories, pre-analytical, analytical, and post-analytical. But what those numbers mean depends on what's being counted and who's doing the counting.

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