Silicosis prevalence and incidence among Medicare beneficiaries
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Silicosis prevalence and incidence among Medicare beneficiaries

  • Published Date:

    January 18 2019

  • Source:
    Am J Ind Med. 62(3):183-191
  • Language:
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  • Alternative Title:
    Am J Ind Med
  • Description:
    Introduction: Existing epidemiologic information on silicosis relies on mortality data. Methods: We analyzed health insurance claims and enrollment information from 49 923 987 fee-for-service (FFS) Medicare beneficiaries aged ≥65 from 1999 to 2014. Three different definitions were developed to identify silicosis cases and results are presented as ranges of values for the three definitions. Results: Among FFS beneficiaries, 10 026–19 696 fit the silicosis case definitions (16-year prevalence: 20.1–39.5 per 100 000) with the highest prevalence among North American Natives (87.2–213.6 per 100 000) and those in New Mexico (83.9–203.4 per 100 000). The annual average prevalence had a significant (P <0.05) 2–5% annual decline from 2005 to 2014. The average annual number of incident cases had a significant 3–16% annual decline from 2007 to 2014. Conclusions: Silicosis is a prevalent disease among Medicare beneficiaries aged ≥65, with variation across the country. Morbidity data from health insurance claims can provide a more complete picture of silicosis burden.
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