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Comment & Response
April 2017

Blood Donor Characteristics On Transfusion Outcomes—Should Obesity Be Assessed in Future Clinical Trials?—Reply

Author Affiliations
  • 1Centre Hospitalier de l’Université de Montréal, Montréal, Canada
  • 2CHUM Research Center, Montréal, Canada
  • 3Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada

Copyright 2017 American Medical Association. All Rights Reserved.

JAMA Intern Med. 2017;177(4):599-600. doi:10.1001/jamainternmed.2017.0245

In Reply Leite and colleagues raise the hypothesis that part of the observed effect in the cohort in our study1 may be due to donor obesity. This hypothesis is interesting and potentially important at a population level. Although the reporting of body mass index is currently not available in our donor cohort, we obtained the prevalence of obesity estimates from Statistics Canada2 to evaluate how obesity could influence our results.

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