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Comment & Response
May 22/29, 2018

Air Pollution and Mortality in the Medicare Population

Author Affiliations
  • 1CGStat, Raleigh, North Carolina
JAMA. 2018;319(20):2135. doi:10.1001/jama.2018.3927

To the Editor There are many aspects of the study by Mr Di and colleagues1 that call into question their finding that air quality was associated with increased deaths: size of the effects, modeling bias, and flexibility of analysis. These methodological aspects are especially concerning given that recent large studies found no association between air quality and mortality.2,3

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