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. 2025 Oct;135(4):1119-1121.
doi: 10.1016/j.bja.2025.06.035. Epub 2025 Aug 5.

Authorship trends in systematic reviews: a 30-year analysis in anaesthesia and pain medicine

Affiliations

Authorship trends in systematic reviews: a 30-year analysis in anaesthesia and pain medicine

Alessandro De Cassai et al. Br J Anaesth. 2025 Oct.
No abstract available

Keywords: anaesthesia; ethics; metrics; pain medicine; scientometric; systematic review.

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Conflict of interest statement

Declaration of interest The authors declare that they have no conflicts of interest.

Figures

Fig 1
Fig 1
Boxplots displaying the distribution of the number of authors per year. The box represents the interquartile range (IQR), with the horizontal line indicating the median. Whiskers extend to the minimum and maximum values within 1.5 times the IQR. Purple points denote outliers. Blue dots represent the mean number of authors for each year. The total number of observations (n) is reported beneath each box. Data displayed in this graph are available in the Supplementary Material.

References

    1. De Cassai A., Boscolo A., Zarantonello F., et al. Enhancing study quality assessment: an in-depth review of risk of bias tools for meta-analysis-a comprehensive guide for anesthesiologists. J Anesth Analg Crit Care. 2023;3:44. - PMC - PubMed
    1. Gülen S., Fonnes S., Andresen K., Rosenberg J. Increasing number of authors in Cochrane reviews. J Evid Based Med. 2020;13:34–41. - PubMed
    1. Andersen M.Z., Zeinert P., Rosenberg J., Fonnes S. Comparative analysis of Cochrane and non-Cochrane reviews over three decades. Syst Rev. 2024;13:120. - PMC - PubMed
    1. Chalmers I., Glasziou P. Avoidable waste in the production and reporting of research evidence. Lancet. 2009;374:86–89. - PubMed
    1. Altman D.G. The scandal of poor medical research. BMJ. 1994;308:283–284. - PMC - PubMed

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