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Objective This study was designed to determine concussion incidence, risk, and relative risk among middle and high school athletes participating in various sports. Method Data were retrospectively obtained from 10,334 athletes of 12 different sports in Hawaii. In addition to determining the overall concussion incidence, comparisons of incidence, risk, and relative risk were made according to age, sex, concussion history, sport, and football position. Results The overall incidence of concussion among youth athletes was 1,250 (12.1%). The relative risk for a concussion was almost two times greater in 18-year olds than in 13-year-old athletes. In comparable sports, girls had a 1.5 times higher concussion risk than boys. Athletes with a prior concussion had 3-5 times greater risk to sustain a concussion than those with no history of a concussion. Among varied sports, wrestling and martial arts had the highest relative risk of a concussion, followed by cheerleading, football, and track and field. No differences in concussion risks were found among the football players in different positions. Conclusions Older youths, females, those with a history of concussion, and those participating in high contact sports were found to have higher risks of sustaining a concussion. The findings increase awareness of concussion patterns in young athletes and raise concerns regarding protective strategies and concussion management in youth sports.

Objective The aim of this research was to examine the role of native language in the performance of youth athletes on a computerized neuropsychological test battery, the Immediate Post-Concussion Assessment and Cognitive Test (ImPACT). Method The study compared the baseline test scores of 5545 participants whose native language was English versus 195 whose native language was not English. The mean age of the participants was 15.06 years. Results A multivariate analysis of variance revealed no differences in the five ImPACT Composite scores of the two language groups. Conclusion Contrary to prior research, one cannot simply expect that non-native English speakers will do more poorly on ImPACT than native English speakers. Further research on the use of ImPACT with other non-native English-speaking youth athletes is recommended.

The effect of depression and anxiety upon neuropsychological test scores of candidates for coronary artery bypass graft (CABG) surgery was examined. Sixty patients were administered the Beck Depression Inventory II and the State-Trait Anxiety Inventory, along with a battery of neuropsychological tests. Regression analyses were conducted in which the neuropsychological test scores were predicted using age, education, depression, anxiety, and combined depression-anxiety scores. While age and education were significant predictors of several neuropsychological test measures, no significant regression analysis results were obtained for the depression, anxiety and combined depression-anxiety scores. Similarities and discrepancies between this research and previous studies are discussed. It appears that low levels of preoperative depression and anxiety states do not affect neuropsychological functioning among CABG candidates.