Assessing the Analytical Performance of Systems for Self-Monitoring of Blood Glucose: Concepts of Performance Evaluation and Definition of Metrological Key Terms

Professorship/Faculty: Lehrstuhl für Klinische Psychologie/Psychotherapie
Author(s): Schnell, Oliver; Hinzmann, Rolf; Kulzer, Bernhard ; Freckmann, Guido; Erbach, Michael; Lodwig, Volker; Heinemann, Lutz
Pages / Size: S. 1585 - 1594
Title of the Journal: Journal of diabetes science and technology : from basic science to clinical practice ; DST
Language(s): English
ISSN: 1932-2968
Publisher Information: Thousand Oaks, Calif..
Issue: 7 (2013), 6
Publisher Information: Sage
Year of publication: 2013
Reliability of blood glucose (BG) measurements is a prerequisite for successful diabetes management. Publications on the evaluation of self-monitored glucose values, however, are frequently characterized by a confusion in terminology. We provide an inventory of key terms such as accuracy, trueness, precision, traceability, calibration, and matrix effect to avoid future misunderstanding. Definitions are taken from the metrological literature and international norms and explained in a language intended for nonspecialists in metrology. The terms are presented in light of the need to apply generally accepted definitions. In addition, a description of requirements and components for a sound evaluation of BG measurement systems is presented. These factors will also enable improvement in future comparisons of study results.
Keywords: accuracy, blood glucose meter evaluation, diabetes, self-monitoring of blood glucose, trueness
Document Type: Article
Release date: 18. August 2015

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