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Related Experiment Videos

Text-to-algorithm conversion to facilitate comparison of competing clinical guidelines

N Barak1, C Z Margolis, L K Gottlieb

  • 1Center for Medical Decision Making, Ben-Gurion University of the Negev, Beer-Sheva, Israel.

Medical Decision Making : an International Journal of the Society for Medical Decision Making
|July 29, 1998
PubMed
Summary

Text-to-algorithm conversion reliably compares clinical guidelines, revealing differences in recommendations and contraindications. This method aids physicians in choosing and critiquing medical guidelines for better patient care.

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Area of Science:

  • Medical Informatics
  • Clinical Decision Support

Background:

  • Clinical guidelines are essential for evidence-based practice.
  • Comparing competing guidelines can be complex and time-consuming.
  • Standardized methods are needed to objectively assess guideline differences.

Purpose of the Study:

  • To evaluate the utility and consistency of text-to-algorithm conversion for comparing clinical guidelines.
  • To identify and categorize differences between competing measles immunization guidelines.
  • To assess the reliability of text-to-algorithm conversion across different individuals.

Main Methods:

  • Two pairs of competing measles immunization guidelines (1989 and 1994) were analyzed.
  • Text-to-algorithm conversion was applied to convert prose guidelines into a computable format.

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  • Differences were categorized into recommendations, excluded elements, logical inconsistencies, nonspecific phrases, and contraindications.
  • Comparison scores were calculated, and inter-converter reliability was assessed.

    • Main Results:

    • Five categories of differences were identified between the guidelines.
    • Overall comparison scores were 6.01 for 1989 guidelines and 5.54 for 1994 guidelines.
    • Text-to-algorithm conversions by different individuals yielded similar results, indicating reliability.

    Conclusions:

    • Text-to-algorithm conversion is a valuable tool for comparing clinical guidelines and highlighting discrepancies.
    • This method facilitates rational selection between competing guidelines prior to implementation.
    • It empowers physicians to analyze, critique, and simulate clinical scenarios using guidelines.