Female Authorship in the US Orthopaedics Literature: A Bibliometric Analysis of Trends

Although orthopaedic surgery continues to be the field with the smallest proportion of women, efforts have been made to increase the gender diversity in the workforce. Some data exist on how this increased female representation manifests itself in research and authorship. However, a comprehensive overview-beyond general orthopaedics journals and including subspecialty journals-is currently missing. The objective of this study was to analyze female authorship trends in four high-impact general orthopaedic journals and the highest impact journal in each orthopaedic subspecialty.

This bibliometric analysis extracted original research articles published from groups within the United States from Medline from January 2011 to December 2020. We included four high-impact general orthopaedic journals and the highest impact journal in eight orthopaedic subspecialties. Authors' gender was determined using the 'gender' R package. We assessed annual proportion of female authors in first authors, last authors, and any author, separately for all included articles and stratified by journal. Authorship was assessed by Cochran-Armitage trend tests.

There has been increasing female authorship from 2011 to 2020 for female first authors, but not female last authors or total authorship. Of the journals studied, 3 of 12 had a markedly increased percentage of female first authors and 1 of 12 had a markedly increased percentage of female last authors, and there were no journals with an increasing total amount of female total authors.

The increasing trend in female authorship is primarily due to increases in first author publications and is not consistent across subspecialty journals. Future research should identify driving factors for these differences and potential methods to increase representation.