Article Text

Download PDFPDF
First concussion did not increase the risk of subsequent concussion when patients were managed appropriately

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.


  • Contributors IS developed the idea, analysed the data and led the writing of the manuscript. AP helped write programming code and edited the manuscript. RJS helped write programming code, supervised the analyses and edited the manuscript. All authors contributed to the design, analysis and writing of the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests IS is the consulting medical director for Cirque du Soleil but was not paid for the work related to this manuscript.

  • Patient consent Not required.

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

  • Data sharing statement We will make summary data available but do not have the authority to release raw data because it is owned by a private company, and it might allow someone to identify individual participants.