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Wiley, Scandinavian Journal of Medicine and Science in Sports, 3(25), p. e327-e330, 2014

DOI: 10.1111/sms.12307

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King-Devick test normative reference values for professional male ice hockey players

Journal article published in 2014 by M. V. Vartiainen, A. Holm, K. Peltonen, T. M. Luoto, G. L. Iverson, L. Hokkanen ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

The King-Devick (K-D) test, a measure of processing speed, visual tracking, and saccadic eye movements, has shown promise as a supplemental screening test following concussion. However, limited normative data for this test have been published.The K-D test was administered to 185 professional ice hockey players as a preseason baseline test in seasons 2012-2013 and 2013-2014. Their average age was 23.8 years (median = 22.0 years, range = 16-40 years). The average K-D score was 40.0 s (SD = 6.1 s, range = 24.0-65.7 s). K-D test performance showed no association with age, education, or the number of self-reported previous concussions in this sample. The association between trials 1 and 2 of the K-D test was good (ICC = 0.92, Pearson = 0.93). Normative values of the K-D test for professional male ice hockey players are reported. K-D test performance did not vary by age, education, or concussion history in this study.