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hcpol, 4(8), p. 27-34

DOI: 10.12927/hcpol.2013.23398

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The Rising Prevalence of Asthma: True Increase, Diagnostic Exchange or Diagnostic Accuracy?

Journal article published in 2013 by Randall R. Fransoo, The Need To Know Team, Patricia J. Martens, Heather J. Prior, Alan Katz ORCID, Elaine Burland, Nathan C. Nickel ORCID, Dan Chateau
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In the midst of frequent reports about “the asthma epidemic,” results from a number of studies by the Manitoba Centre for Health Policy have shown stable or decreasing prevalence of an overall indicator of respiratory diseases which includes asthma. To resolve these apparently contrary findings, we conducted a time trend analysis using administrative data. Results revealed significant potential for diagnostic exchange: asthma prevalence increased, but that of bronchitis decreased.