• World Neurosurg · May 2023

    Investigation of Factors Contributing to Racial Differences in Sport-Related Concussion Outcomes.

    • Alan R Tang, Jessica Wallace, Alan Z Grusky, Brian Q Hou, Katherine S Hajdu, Christopher M Bonfield, Scott L Zuckerman, and Aaron M Yengo-Kahn.
    • Vanderbilt University School of Medicine, Nashville, Tennessee, USA.
    • World Neurosurg. 2023 May 1; 173: e755e765e755-e765.

    ObjectiveFollowing sport-related concussion (SRC), early studies have demonstrated racial differences in time to clinical recovery; however, these differences have not been fully explained. We sought to further explore these associations by considering possible mediating/moderating factors.MethodsData from patients aged 12-18 years diagnosed with SRC from November 2017 to October 2020 were analyzed. Those missing key data, lost to follow-up, or missing race were excluded. The exposure of interest was race, dichotomized as Black/White. The primary outcome was time to clinical recovery (days from injury until the patient was either deemed recovered by an SRC provider or symptom score returned to baseline or zero.) RESULTS: A total of 389 (82%) White and 87 (18%) Black athletes with SRC were included. Black athletes more frequently reported no SRC history (83% vs. 67%, P = 0.006) and lower symptom burden at presentation (median total Post-Concussion Symptom Scale 11 vs. 23, P < 0.001) than White athletes. Black athletes achieved earlier clinical recovery (hazard ratio [HR] = 1.35, 95% CI 1.03-1.77, P = 0.030), which remained significant (HR = 1.32, 95% CI 1.002-1.73, P = 0.048) after adjusting for confounders associated with recovery but not race. A third model adding the initial Post-Concussion Symptom Scale score nullified the association between race/recovery (HR = 1.12, 95% CI 0.85-1.48, P = 0.410). Adding prior concussion history further reduced the association between race/recovery (HR = 1.01, 95% CI 0.77-1.34, P = 0.925).ConclusionsOverall, Black athletes initially presented with fewer concussion symptoms than White athletes, despite no difference in time to clinic. Black athletes achieved earlier clinical recovery following SRC, a difference explained by differences in initial symptom burden and self-reported concussion history. These crucial differences may stem from cultural/psychologic/organic factors.Copyright © 2023 Elsevier Inc. All rights reserved.

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