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There is tremendous interest in identifying factors that may influence outcome from sports related concussion.
The strongest predictor of slower recovery is the severity of symptoms in the 1-2 days post injury
-Fewer Sx's in this time period predict a quicker recovery
Pre injury history of mental health problems, depression or migraine headaches predict a longer recovery course
Teenagers might be more vulnerable to having persistent symptoms with greater risk for girls than boys
Having a prior concussion is a risk for having a future concussion
The large majority of injured athletes recover from a clinical perspective within the first month of injury many within the first 10 days
References
McCrory P et al. Br J Sports Med 2017;51:838-847.