Proficiency testing as a tool for assessing the medical and economic impact of laboratory results: The blood coagulation case

Orna Dreazen, Etty Feller, Moshe Leshno

Research output: Contribution to journalArticlepeer-review

Abstract

An international commercial proficiency testing scheme was used to evaluate the impact of laboratory results on clinical decisions. The affect on atrial fibrillation was chosen as a model with 16 Israeli laboratories participating in an international study. A Markov model was constructed to evaluate the impact of any inaccurate results on the clinical outcomes. From the proficiency test study and the Markov model, 13-21% of the results were inaccurate and would have yielded erroneous medical decisions.

Original languageEnglish
Pages (from-to)291-295
Number of pages5
JournalAccreditation and Quality Assurance
Volume8
Issue number6
DOIs
StatePublished - 1 Jun 2003

Keywords

  • Accuracy
  • Atrial fibrillation
  • Markov model
  • Proficiency testing
  • Variation

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