Ten Years of : Authorship Characteristics and Levels of Evidence.

CONTEXT

, now 10 years into production, has been ranked a top-25 journal in sport sciences and has tripled its impact throughout its existence.

OBJECTIVE

To evaluate authorship trends and levels of evidence (LOE) of articles published in from 2009 to 2018. The secondary aim was to analyze funding sources and internationalization throughout the journal's tenure.

DATA SOURCES

All clinical studies published in between the years 2009 and 2018 were examined.

STUDY SELECTION

All publications from the provided years were electronically reviewed by 2 reviewers and evaluated for inclusion criteria. Editorials, society news, memorials, letters to the editor, and corrigenda were excluded.

STUDY DESIGN

Systematic review.

LEVEL OF EVIDENCE

Level 5.

DATA EXTRACTION

Articles were examined for number of authors, presence of female authorship, funding, country of origin, international collaboration, academic degree or certification of first and senior authors, and LOE. Clinical articles were assigned LOE based on guidelines from the University of Oxford's Centre for Evidence-Based Medicine.

RESULTS

A total of 654 articles were examined. The percentage of high-LOE studies increased throughout the study period. The percentage of publications with female authors also increased throughout the study period. The mean number of authors per article increased from 3.2 to 4.6 over the 10-year period ( < 0.05). The percentage of publications with international collaboration stayed consistent, while the number of countries per year increased during the study period. Overall, institutions from 23 countries have published in since its inception to the time of this study.

CONCLUSION

Female authorship in surpasses industry standards, and the percentage of high-LOE studies remains remarkably high. has stayed true to its multidisciplinary scope, as evidenced by the authors' varying degrees and numerous countries that publish in the journal.