Open Access Original Article DOI: 10.7759/cureus.3465 Evaluation of Concussion Incidence and Modulating Factors in the 2013-2017 Australian Football League Ryan Adams 1 , George K. Lau 2 , Jennifer B. Dai 1 , Adam Y. Li 1 , Kevin P. Cheung 3 , Syed Haider 1 , Alex Gometz 4 , Alexander F. Post 1 , Tanvir F. Choudhri 1 1. Neurosurgery, The Icahn School of Medicine at Mount Sinai, New York, USA 2. Miscellaneous, Touro College of Medicine, Bronx, USA 3. Neurosurgery, Columbia University, New York, USA 4. Physical Medicine and Rehabilitation, Concussion Management of New York, New York, USA Corresponding author: Ryan Adams,
[email protected] Abstract Introduction The increasing awareness and popularization of concussions in the research realm over the last few years have begun to shed more light on the detrimental effects associated with repetitive head trauma. While the majority of the current literature focuses on the National Football League (NFL) and National Hockey League (NHL), several other high-impact sports have been implementing concussion management protocols to protect their players. The Australian Football League (AFL) is a prime example of a major contact sport that has undertaken recent changes to its concussion assessment and management modalities. We recognize the benefit of reporting potential changes in concussion rates over the 2013-2017 AFL seasons. We were interested in some of the factors not yet evaluated before, which may contribute to the overall concussion incidence such as “style-of-play” factors” (home/away, win/loss, points scored, time of season). We hope the results of this analysis shed light on the mechanisms by which concussion rates can be mitigated across major contact sports.