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Comment & Response
April 2017

Correct Data and Meta-analytic Approaches Show the Reduced Risk of Concussion for Athletes Playing at Higher Altitudes

Author Affiliations
  • 1Department of Neurosurgery, NorthShore University HealthSystem, Evanston, Illinois
  • 2Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio

Copyright 2017 American Medical Association. All Rights Reserved.

JAMA Neurol. 2017;74(4):485. doi:10.1001/jamaneurol.2016.6071

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.