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Related Experiment Videos

How should we select health professionals for studies?

Rajiv Verma1, Douglas A Corley

  • 1Kaiser Permanente Division of Research and Department of Medicine, University of California, San Francisco, Calif., USA.

Outcomes Management
|August 2, 2003
PubMed
Summary

Identifying physician specialists requires careful source selection. A national registry offers a more complete and less biased provider list than professional society directories for research purposes.

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Area of Science:

  • Healthcare research methodology
  • Medical informatics
  • Provider selection strategies

Background:

  • Growing interest in healthcare professionals' practice patterns and adherence to guidelines.
  • Lack of established optimal methods for selecting physician specialists for studies.
  • Need for reliable and unbiased provider data sources.

Purpose of the Study:

  • To evaluate the completeness and potential biases of different sources for identifying physician specialists.
  • To compare professional society directories with a national registry for provider data quality.

Main Methods:

  • Comparative analysis of three distinct data sources for physician specialists.
  • Assessment of completeness and bias in identified provider populations.

Related Experiment Videos

  • Utilizing the American Medical Association master file as a benchmark.

    • Main Results:

    • Professional society directories yielded biased provider populations.
    • The American Medical Association master file provided the most comprehensive and least biased single source.
    • Significant differences in data completeness and representativeness were observed across sources.

    Conclusions:

    • The choice of provider data source significantly impacts research findings.
    • Professional society directories may not be suitable for comprehensive or unbiased provider identification.
    • The American Medical Association master file is recommended as a superior source for selecting physician specialists in research.