@article{ref1,
title="The utility of the King-Devick test in evaluating professional ice hockey players with suspected concussion",
journal="Clinical journal of sport medicine",
year="2020",
author="Echemendia, Ruben J. and Thelen, Joanie and Meeuwisse, Willem and Comper, Paul and Hutchison, Michael G. and Rizos, John and Bruce, Jared M.",
volume="ePub",
number="ePub",
pages="ePub-ePub",
abstract="OBJECTIVE: The purpose of this study was to (1) examine the diagnostic utility of the King-Devick (KD) in professional ice hockey players and (2) determine whether the KD provides unique variance in predicting a diagnosis of concussion when given in combination with the SCAT-5.   STUDY DESIGN: Cohort Study.   SETTING: Primary care.   PATIENTS/PARTICIPANTS: Professional ice hockey players.   INDEPENDENT VARIABLES: Diagnosis versus no diagnosis of concussion.   MAIN OUTCOME MEASURES: King-Devick and SCAT-5 component scores.   METHODS: In part 1, players suspected of having a concussion were evaluated at baseline and acutely with the KD and either the SCAT-3 or the SCAT-5. Players evaluated and not diagnosed with concussion served as active controls. In part 2, a separate group of players suspected of having a concussion was evaluated acutely with both the KD and SCAT-5.   RESULTS: In part 1 of this study, 53 concussed players declined in performance on the KD from baseline to acute evaluation, whereas the performance of 76 active controls improved significantly. In part 2 of the study, 75 players were diagnosed with concussion and compared with 80 active controls who were evaluated and not diagnosed with concussion. Concussed players revealed a decline in KD performance from baseline to acute evaluation when compared with controls. However, the KD did not account for significant unique variance in predicting a diagnosis of concussion after accounting for SCAT-5 data.   CONCLUSIONS: The KD is useful in differentiating concussed and not concussed athletes acutely, but the KD does not seem to add additional diagnostic value over and above the SCAT-5.<p /> <p>Language: en</p>",
language="en",
issn="1050-642X",
doi="10.1097/JSM.0000000000000841",
url="http://dx.doi.org/10.1097/JSM.0000000000000841"
}