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Effect of surgeon experience on technical efficiency.

Yoshinori Nakata1,2, Yuichi Watanabe3, Hiroshi Otake4

  • 113148Teikyo University Graduate School of Public Health, Tokyo, Japan.

Health Services Management Research
|March 25, 2022
PubMed
Summary

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Surgeon technical efficiency does not follow a concave relationship with experience. This study found no significant evidence that surgeon skill improves then declines with age.

Area of Science:

  • Health Sciences
  • Medical Economics

Background:

  • Surgeon experience is traditionally believed to enhance technical efficiency.
  • Aging may introduce physiological changes that could affect surgical performance.
  • A concave relationship between surgeon experience and technical efficiency was hypothesized.

Purpose of the Study:

  • To investigate the relationship between surgeon experience and technical efficiency.
  • To determine if surgeon technical efficiency follows a concave pattern over time.

Main Methods:

  • Data envelopment analysis (DEA) calculated technical efficiency scores.
  • Input variables included assistant numbers and operation duration; output was surgical fee.
  • Multiple regression analysis (Tobit models) examined experience and control variables.
Keywords:
surgeon experiencetechnical efficiency

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Main Results:

  • Analysis of 20,375 surgeries by 264 surgeons revealed no significant concave relationship.
  • Coefficients for experience and its square were not statistically significant.
  • Control variables also showed insignificant impact on the hypothesized relationship.

Conclusions:

  • Surgeon technical efficiency does not demonstrate a concave relationship with increasing experience.
  • The study did not find evidence supporting the hypothesis of skill improvement followed by decline due to aging.