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Studies of the academic effect of concussion are limited by lack of a comparison group experiencing health effects from other kinds of injuries. In the current study, investigators prospectively enrolled adolescents and college students visiting one of three emergency departments within 24 hours after suffering a sports-related concussion or musculoskeletal extremity injury. During telephone interviews 1 week and 1 month after the injury, participants completed a 29-item academic dysfunction questionnaire (higher score reflecting more dysfunction; maximum score, 174).
Of 204 students agreeing to participate, 176 completed the first interview (mean age, 16 years; 66% males) and 153 the second; approximately 40% of participants at each time po…