IJE Advance Access published online on October 28, 2009
International Journal of Epidemiology, doi:10.1093/ije/dyp325
Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2009; all rights reserved.
Commentary: Heart rate and blood pressure: risk factors or risk markers?
Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, 680 N Lake Shore Drive, Suite 1102, Chicago, IL 60611, USA. E-mail: carnethon@northwestern.edu
Accepted 28 September 2009
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In this issue of the Journal, Nagaya and colleagues1 tested whether resting blood pressure and heart rate are each associated with the development of type 2 diabetes in middle-aged adults. The novelty of their study is the hypothesis that elevated blood pressure and heart rate are involved in the development of type 2 diabetes. Having failed to reject the null hypothesis of no association, the authors conclude that resting heart rate and BP [blood pressure] ... proportionately raise the risk for development of DM [diabetes mellitus] in middle-aged healthy men and women.1 However, it is