FIGURE 2—

Differences in Academic Dysfunction Scores Between Students With Concussions and Students With Extremity Injuries (a) 1 Week After Injury and (b) 1 Month After Injury: Rochester, NY, Area, September 2013–January 2015

Note. Concussion Hx = history of previous concussions. Higher number indicates worse dysfiunction. Values for b and 95% confidence intervals were adjusted for preinjury grade point average and self-reported history of attention deficit disorder or attention deficit/hyperactivity disorder and prior concussions.