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Reporting Biases

In: Principles and Practice of Clinical Trials

Author

Listed:
  • S. Swaroop Vedula

    (The Johns Hopkins University, Malone Center for Engineering in Healthcare, Whiting School of Engineering)

  • Asbjørn Hróbjartsson

    (University of Southern Denmark, Cochrane Denmark and Centre for Evidence-Based Medicine Odense)

  • Matthew J. Page

    (Monash University, School of Public Health and Preventive Medicine)

Abstract

Clinical trials are experiments in human beings. Findings from these experiments, either by themselves or within research syntheses, are often meant to evidence-based clinical decision-making. These decisions can be misled when clinical trials are reported in a biased manner. For clinical trials to inform healthcare decisions without bias, their reporting should be complete, timely, transparent, and accessible. Reporting of clinical trials is biased when it is influenced by the nature and direction of its results. Reporting biases in clinical trials may manifest in different ways, including results not being reported at all, reported in part, with delay, or in sources of scientific literature that are harder to access. Biased reporting of clinical trials in turn can introduce bias into research syntheses, with the eventual consequence being misinformed healthcare decisions. Clinical trial registration, access to protocols and statistical analysis plans, and guidelines for transparent and complete reporting are critical to prevent reporting biases.

Suggested Citation

  • S. Swaroop Vedula & Asbjørn Hróbjartsson & Matthew J. Page, 2022. "Reporting Biases," Springer Books, in: Steven Piantadosi & Curtis L. Meinert (ed.), Principles and Practice of Clinical Trials, chapter 103, pages 2045-2071, Springer.
    • Handle: RePEc:spr:sprchp:978-3-319-52636-2_183
    DOI: 10.1007/978-3-319-52636-2_183
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