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Related Experiment Videos

Quality assurance in Belgium

J C Libeer1

  • 1Department of Clinical Pathology, Institute of Hygiene and Epidemiology, Brussels, Belgium.

Annali Dell'Istituto Superiore Di Sanita
|January 1, 1995
PubMed
Summary
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Belgian clinical laboratories show improved performance in external quality assessment (EQA) over ten years, with halved interlaboratory coefficients of variation (CVs) for many tests. However, improvements are less evident for hematology and absent for coagulation analytes.

Area of Science:

  • Clinical laboratory science
  • Medical diagnostics
  • Quality assurance in healthcare

Background:

  • Clinical laboratories in Belgium are licensed under the social security system.
  • Licensing mandates internal quality control and external quality assessment (EQA) participation.
  • EQA programs are crucial for maintaining and improving laboratory performance.

Purpose of the Study:

  • To outline the evolution of Belgian external quality assessment (EQA) programs.
  • To analyze the performance trends of clinical laboratories over the past decade.
  • To estimate interlaboratory and intralaboratory coefficients of variation (CVs) for various analytes.

Main Methods:

  • Review of Belgian EQA data from 1989-1991 to estimate interlaboratory CVs.

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  • Analysis of performance evolution over the last ten years.
  • Utilizing data from a commercial internal quality control program and laboratory surveys to estimate current intralaboratory CVs.

    • Main Results:

    • A significant halving of interlaboratory CVs was observed for most clinical chemistry and immunoassay analytes.
    • Performance improvement was less pronounced for hematological analytes.
    • No significant improvement in performance was noted for coagulation analytes.

    Conclusions:

    • EQA participation has led to measurable improvements in laboratory performance for key disciplines.
    • Ongoing monitoring and quality control are essential for all laboratory disciplines.
    • Further efforts are needed to enhance performance in hematology and coagulation testing.