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Laboratory investigations in general practice

S Salloum1, E Franssen

  • 1Department of Family and Community Medicine, Sunnybrook Health Services Centre, Toronto.

Canadian Family Physician Medecin De Famille Canadien
|May 1, 1993
PubMed
Summary
This summary is machine-generated.

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Family physicians ordered more laboratory tests and overestimated their cost, especially those in practice for less than 10 years. Patient expectations and litigation fears influenced test ordering.

Area of Science:

  • Medical Practice
  • Health Economics
  • Laboratory Medicine

Background:

  • Laboratory investigations are crucial in family medicine.
  • Physician behavior influences healthcare resource utilization.
  • Understanding factors affecting test ordering is key for cost management.

Purpose of the Study:

  • To assess laboratory test ordering patterns among family physicians.
  • To evaluate the accuracy of cost estimations for ordered tests.
  • To identify factors influencing physicians' test ordering decisions.

Main Methods:

  • A survey of 48 family physicians using a 10-item questionnaire.
  • Clinical vignettes were used to simulate test ordering scenarios.
  • Physicians estimated the costs associated with ordered laboratory tests.

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Main Results:

  • Physicians with less than 10 years of practice ordered more tests.
  • Early-career physicians significantly overestimated the cost of laboratory investigations.
  • Patient expectations and perceived risk of litigation were significant factors in test ordering.

Conclusions:

  • Physicians' experience level impacts laboratory test utilization.
  • Inaccurate cost perception and external factors influence diagnostic test ordering.
  • Developing strategies for efficient laboratory resource management is essential.