The Epidemiology of Sport-Related Concussion
The Epidemiology of Sport-Related Concussion a, a,b Daniel H. Daneshvar, MA *, Christopher J. Nowinski, AB , c,d a,b,e,f,g,h Ann C. McKee, MD , Robert C. Cantu, MD KEYWORDS Concussion Epidemiology Equipment Traumatic brain injury Sport Each year, an estimated 44 million children and adolescents participate in organized sports in the United States.1 In addition, 170 million adults participate in physical activ- ities, including sports.2 Table 1 presents the number of high school and collegiate athletes participating in each sport from the 1982 to 1983 season through the 2007 to 2008 season.3 Many of these activities are associated with an increased risk of trau- matic brain injury (TBI).4 In the United States, an estimated 1.7 million people sustain a TBI annually, associated with 1.365 million emergency room visits and 275,000 hospitalizations annually with associated direct and indirect costs estimated to have been $60 billion in the United States in 2000.5,6 Additionally, the US Centers for Disease Control and Prevention (CDC) estimates that 1.6 to 3.8 million concussions This work was supported by the Boston University Alzheimer’s Disease Center NIA P30 AG13846, supplement 0572063345–5, the National Operating Committee on Standards for Athletic Equipment, the National Collegiate Athletic Association, the National Federation of State High School Associations, the American Football Coaches Association, and the Sports Legacy Institute. The authors have nothing to disclose. a Center for the Study of Traumatic Encephalopathy, Department
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