Gender trends in authorship of spine-related academic literature-a 39-year perspective.
Despite recent advances in gender equity in medicine, the representation of women in orthopedic and neurosurgery remains particularly low. Furthermore, compared with their male colleagues, female faculty members are less likely to publish research, limiting opportunities in the academic promotion process. Understanding disparities in research productivity provides insight into the "gender gap" in the spine surgeon workforce.
This study aims to determine the representation and longevity of female physician-investigators among the authors of five spine-related research journals from 1978 to 2016.
This is a retrospective bibliometric review.
The authors of original research articles from five prominent spine-related journals (European Spine Journal, The Spine Journal, Spine, Journal of Spinal Disorders and Techniques, and Journal of Neurosurgery: Spine) were extracted from PubMed. For authors with a complete first name listed, gender was determined by matching first name using an online database containing 216,286 distinct names across 79 countries and 89 languages. The proportion of female first and senior authors was determined during the time periods 1978 to 1994, 1995 to 1999, 2000 to 2004, 2005 to 2009, and 2010 to 2016. The authors who had their first paper published between 2000 and 2009 were included in additional analyses for publication count and longevity (whether additional articles were published 5 years after first publication). Student t test, chi-square analysis, and Cochran-Armitage trend test were used to determine significance between groups.
From 1978 to 2016, 28,882 original research articles were published in the five spine-related journals. A total of 24,334 abstracts (90.9%) had first names listed, identifying 120,723 authors, in total of which 100,286 were successfully matched to a gender. A total of 33,480 unique authors were identified (female authors: 31.8%). Female representation increased for first and senior authors from 6.5% and 4.7% (1978-1994) to 18.5% and 13.6% (2010-2016, p<.001). Growth in female senior author representation declined after 2000 (12.3% vs. 12.9% vs. 13.5% between 2000-2004, 2005-2009, and 2010-2016). Compared with male authors, on average, female authors published fewer articles (mean: 2.1 vs. 3.3, p<.001). Of 15,304 authors who first published during 2000 to 2009, 3,478 authors (22.7%) continued to publish 5 years after their first publication. Female authors were less likely to continue publishing after their first article (15.3% of female authors vs. 24.8%, p<.001).
Female representation in academic spine research has doubled over the past 4 decades, although the growth of female representation as senior author has plateaued. Female physician-investigators are half as likely to continue participating in spine-related research longer than 5 years and on average publish half as many articles as senior author. In addition to recruiting more women into research, efforts should be made to identify and address barriers in research advancement and promotion for female physician-investigators.
Sing DC
，Jain D
，Ouyang D
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Women in Neurosurgery: Gender Differences in Authorship in High-Impact Neurosurgery Journals through the Last Two Decades.
Despite common gender disparities in authorship across the vast majority of specialties, the presence of a similar lack of equality in neurosurgery literature is not published yet. Therefore the authors examined the changes in representation of women among the first and senior (last) authors of original articles in high-impact neurosurgical journals between 2003 and 2018.
Data regarding women proportions among the first and senior authors were collected from the issues of Neurosurgery and Journal of Neurosurgery published in 2003, 2008, 2013, and 2018.
According to the analysis of 3247 original articles, compared with male authors, female authors have published fewer articles as the first (518 of women, 2729 of men) and senior authors (352 of women, 2884 of men). Nonetheless, the proportion of women in the first authorship represented a significant increase from 2003 to 2018 (from 12% to 16.5%, respectively; P < 0.01), but not in senior authorship (11.7% in 2003 vs. 10.5% in 2018; P > 0.05). Overall, women wrote more research articles than case reports as both first and senior authors (451 and 301 vs. 67 and 51, respectively). In addition, women demonstrated a higher percentage of first authors on female senior author articles (30.4%) than male senior author articles (14.1%).
Although a rising trend in female authorship of neurosurgical literature has been going on through the last 2 decades, this advancement could not be regarded as satisfactory, as the gender gap in authorship is still excessive. Strikingly, female first authors had a tendency of coauthoring with female senior authors.
Aslan A
，Kuzucu P
，Karaaslan B
，Börcek AÖ
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