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King-Devick concussion test performs poorly as a screening tool in elite rugby union players: a prospective cohort study of two screening tests versus a clinical reference standard
  1. Gordon Ward Fuller1,
  2. Matthew J Cross2,3,
  3. Keith A Stokes3,
  4. Simon P T Kemp2
  1. 1Centre for Urgent and Emergency Care Research, University of Sheffield, Sheffield, UK
  2. 2Rugby Football Union, London, UK
  3. 3Department for Health, University of Bath, Bath, UK
  1. Correspondence to Dr Gordon Ward Fuller, Emergency Medicine Research in Sheffield Group, School of Health and Related Research, University of Sheffield,Sheffield, S1 4DA, UK ; g.fuller{at}sheffield.ac.uk

Footnotes

  • GWF and MJC contributed equally.

  • Contributors GWF conceived and designed the study in collaboration with MJC, SPTK and KAS. MJC coordinated data collection and was responsible for data management. GWF processed, analysed and interpreted the data, and wrote and prepared the manuscript for publication. Analyses were checked for accuracy by MJC. All authors critically revised the manuscript for important intellectual content and gave final approval of the version to be published.

  • Funding The study was funded by the Rugby Football Union and supported by King-Devick Technologies.

  • Competing interests None declared.

  • Patient consent Detail has been removed from this case description/these case descriptions to ensure anonymity. The editors and reviewers have seen the detailed information available and are satisfied that the information backs up the case the authors are making.

  • Ethics approval The study protocol received ethical approval from the University of Bath.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No data sharing agreements in place at present.

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Footnotes

  • GWF and MJC contributed equally.

  • Contributors GWF conceived and designed the study in collaboration with MJC, SPTK and KAS. MJC coordinated data collection and was responsible for data management. GWF processed, analysed and interpreted the data, and wrote and prepared the manuscript for publication. Analyses were checked for accuracy by MJC. All authors critically revised the manuscript for important intellectual content and gave final approval of the version to be published.

  • Funding The study was funded by the Rugby Football Union and supported by King-Devick Technologies.

  • Competing interests None declared.

  • Patient consent Detail has been removed from this case description/these case descriptions to ensure anonymity. The editors and reviewers have seen the detailed information available and are satisfied that the information backs up the case the authors are making.

  • Ethics approval The study protocol received ethical approval from the University of Bath.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No data sharing agreements in place at present.

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