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To the Editor We read with interest “Risk of Concussion for Athletes in Contact Sports at Higher Altitude vs at Sea Level: A Meta-analysis.” We believe that Zavorsky and Smogila1 made several methodological errors in their design and interpretation of the available data on concussion incidence with altitude variances. Importantly, in a world in which conventional wisdom and scientific inquiry and publications have struggled to appreciably alter the rate or severity of concussions, such dogmatism is counterproductive in dismissing any novel and promising means to improve on this injury.
Bailes JE, Smith D. Correct Data and Meta-analytic Approaches Show the Reduced Risk of Concussion for Athletes Playing at Higher Altitudes. JAMA Neurol. 2017;74(4):485. doi:10.1001/jamaneurol.2016.6071
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