A new statistical method for evaluating long-term analytical performance of laboratories applied to an external quality assessment scheme for flow cytometry.

Last updated on 22-8-2019 by Anonymous (non vérifié)

Peer reviewed scientific article



BACKGROUND: The Belgian External Quality Assessment Scheme for Flow Cytometry evaluates the long-term analytical performance of participating laboratories by calculating a regression line between the target and reported values of each parameter for each laboratory during the past 3 years. This study aims to develop a method to find laboratories with aberrant variability or bias using robust techniques and to obtain robust estimates of the variability.METHODS: A method is proposed to find outliers with respect to the individual regression line, followed by a step to find regression lines wit…

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