Application of the characteristic function to evaluate and compare analytical variability in an external quality assessment scheme for serum ethanol.

Last updated on 22-8-2019 by Anonymous (not verified)

Peer reviewed scientific article



BACKGROUND: As a cornerstone of quality management in the laboratory, External Quality Assessment (EQA) schemes are used to assess laboratory and analytical method performance. The characteristic function is used to describe the relation between the target concentration and the EQA standard deviation, which is an essential part of the evaluation process. The characteristic function is also used to compare the variability of different analytical methods.METHODS: We fitted the characteristic function to data from the Belgian External Quality Assessment program for serum ethanol. Data included…

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