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Primary care physician productivity: the physician factor

D M Smith1, D K Martin, C D Langefeld

  • 1Division of General Medicine, Richard L. Roudebush VAMC, Indianapolis, IN 46202, USA.

Journal of General Internal Medicine
|September 1, 1995
PubMed
Summary

Physician practice patterns significantly influence productivity more than clinic or patient factors. Interventions should focus on modifying physician behavior to enhance patient care efficiency.

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Area of Science:

  • Health Services Research
  • Medical Economics
  • Clinical Practice Management

Background:

  • Physician productivity and patient interaction time are key metrics in healthcare delivery.
  • Understanding factors influencing these metrics is crucial for optimizing clinic operations and patient outcomes.

Purpose of the Study:

  • To develop models predicting physician productivity based on clinic and physician characteristics.
  • To model the duration of physician-patient interactions as a function of patient attributes.

Main Methods:

  • Observational study conducted in a general medicine clinic at a Veterans Affairs medical center.
  • Data collected from 2,520 patients across 2,721 outpatient visits involving 56 physicians.
  • Physician productivity defined as patients seen per physician per hour; time spent with patients measured in minutes.

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Main Results:

  • Clinic characteristics explained only 8.2% of physician productivity variability; physician factors explained an additional 55.4%.
  • Physician characteristics accounted for 84.9% of overall physician productivity variance, with patient interaction time being a significant predictor.
  • Patient characteristics explained only 7% of physician-patient time variability; individual physician factors explained an additional 22.8%.

Conclusions:

  • Individual physician practice patterns are the primary drivers of physician productivity variation.
  • Patient characteristics have a limited impact on the time physicians spend with patients.
  • Future interventions aimed at increasing physician productivity should prioritize strategies that modify physician behavior.