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A validated case definition for chronic rhinosinusitis in administrative data: a Canadian perspective

Luke Rudmik1,2, Yuan Xu3, Edward Kukec4

  • 1Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Calgary, Calgary, Alberta, Canada. lukerudmik@gmail.com.

International Forum of Allergy & Rhinology
|May 27, 2016
PubMed
Summary

A new case definition using administrative claims data for chronic rhinosinusitis (CRS) was developed and validated. This definition, requiring at least two International Classification of Diseases, 9th edition (ICD-9) codes within two years, improves accuracy in pharmacoepidemiological research.

Keywords:
ICDadministrative datacase definitionchronic sinusitisepidemiologyrhinosinusitisvalidation

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