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Incidence and Cost of Pneumonia in Older Adults with COPD in the United States

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  • Marian Ryan
  • Jose A Suaya
  • John D Chapman
  • William B Stason
  • Donald S Shepard
  • Cindy Parks Thomas

Abstract

Objectives: To estimate the incidence of pneumonia by COPD status and the excess cost of inpatient primary pneumonia in elders with COPD. Study Design: A retrospective, longitudinal study using claims linked to eligibility/demographic data for a 5% sample of fee-for-service Medicare beneficiaries from 2005 through 2007. Methods: Incidence rates of pneumonia were calculated for elders with and without COPD and for elders with COPD and coexistent congestive heart failure (CHF). Propensity-score matching with multivariate generalized linear regression was used to estimate the excess direct medical cost of inpatient primary pneumonia in elders with COPD as compared with elders with COPD but without a pneumonia hospitalization. Results: Elders with COPD had nearly six-times the incidence of pneumonia compared with elders without COPD (167.6/1000 person-years versus 29.5/1000 person-years; RR=5.7, p

Suggested Citation

  • Marian Ryan & Jose A Suaya & John D Chapman & William B Stason & Donald S Shepard & Cindy Parks Thomas, 2013. "Incidence and Cost of Pneumonia in Older Adults with COPD in the United States," PLOS ONE, Public Library of Science, vol. 8(10), pages 1-1, October.
    • Handle: RePEc:plo:pone00:0075887
    DOI: 10.1371/journal.pone.0075887
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    Cited by:

    1. Lizhong Peng & Chad Meyerhoefer & Shin‐Yi Chou, 2018. "The health implications of unconventional natural gas development in Pennsylvania," Health Economics, John Wiley & Sons, Ltd., vol. 27(6), pages 956-983, June.
    2. Manuel B Huber & Margarethe E Wacker & Claus F Vogelmeier & Reiner Leidl, 2015. "Excess Costs of Comorbidities in Chronic Obstructive Pulmonary Disease: A Systematic Review," PLOS ONE, Public Library of Science, vol. 10(4), pages 1-17, April.
    3. Chao-Shun Lin & Chun-Chuan Shih & Chun-Chieh Yeh & Chaur-Jong Hu & Chi-Li Chung & Ta-Liang Chen & Chien-Chang Liao, 2017. "Risk of Stroke and Post-Stroke Adverse Events in Patients with Exacerbations of Chronic Obstructive Pulmonary Disease," PLOS ONE, Public Library of Science, vol. 12(1), pages 1-14, January.

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