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Related Experiment Videos

Statistical methods in the surgical literature.

Jibby E Kurichi1, Seema S Sonnad

  • 1Department of Surgery, University of Pennsylvania Medical School, Philadelphia, PA, USA.

Journal of the American College of Surgeons
|February 28, 2006
PubMed
Summary
This summary is machine-generated.

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Statistical methods in surgery research are increasing in complexity. Clinicians need strong statistical knowledge to interpret modern surgical literature and improve patient care.

Area of Science:

  • Medical Statistics
  • Surgical Research Methodology

Background:

  • Understanding statistical methods is crucial for clinicians to conduct research and apply findings to patient care.
  • The frequency and appropriate use of statistical methods in surgical publications have not been systematically evaluated over time.

Purpose of the Study:

  • To identify the frequency and appropriate use of statistical methods in clinical surgical publications over an 18-year period.

Main Methods:

  • Randomly selected issues from key surgical journals (Annals of Surgery, Archives of Surgery, JACS, JSR, Surgery) between 1985 and 2003 were reviewed.
  • All statistical procedures within articles were identified, their correctness assessed, and trends over time were analyzed.

Main Results:

  • The proportion of surgical publications using statistics significantly increased from 1985 to 2003.

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  • Nonparametric tests saw a notable rise in usage across journals during the study period.
  • A significant percentage (27%) of studies exhibited incorrect selection or reporting of statistical methods.

    • Conclusions:

    • Research in clinical surgery journals is becoming statistically more complex.
    • Clinicians require enhanced statistical knowledge to accurately interpret and utilize sophisticated analyses in published surgical research.