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Related Experiment Videos

What do doctors know about statistics?

H R Wulff, B Andersen, P Brandenhoff

    Statistics in Medicine
    |January 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

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    Danish doctors demonstrate limited statistical knowledge, impacting their interpretation of medical journal findings. Most doctors believe this issue requires attention.

    Area of Science:

    • Medical Education
    • Biostatistics
    • Scientific Literacy

    Background:

    • Effective interpretation of medical literature relies on understanding statistical concepts.
    • Previous assessments of medical professionals' statistical literacy are limited.
    • Accurate comprehension of statistical data is crucial for evidence-based medicine.

    Purpose of the Study:

    • To evaluate the statistical knowledge of Danish doctors regarding fundamental statistical expressions.
    • To determine if statistical understanding differs between general practitioners and those in postgraduate research training.

    Main Methods:

    • A multiple-choice test assessing knowledge of standard deviation (SD), standard error (SE), p-values, and correlation coefficients (r) was administered.
    • The test was distributed to a random sample of Danish doctors and a group of doctors in postgraduate research methods courses.

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  • Response rates and the number of correct answers were analyzed for both groups.

    • Main Results:

    • Doctors in postgraduate courses (median 4.0 correct answers) scored significantly higher than the general random sample (median 2.4 correct answers).
    • A substantial proportion of doctors in the random sample failed to correctly answer basic statistical questions.
    • The majority of surveyed doctors recognized the importance of addressing statistical knowledge gaps.

    Conclusions:

    • The statistical knowledge of most Danish doctors is insufficient for accurately interpreting statistical analyses in medical journals.
    • There is a clear need for improved biostatistics education within medical training and practice.
    • Addressing these knowledge deficits is essential for enhancing the application of evidence-based medicine.