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Undertreatment of COPD: a retrospective analysis of US managed care and Medicare patients

DOI: http://dx.doi.org/10.2147/COPD.S27032

Keywords: managed care, chronic obstructive pulmonary disease, health care utilization, quality of care

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dertreatment of COPD: a retrospective analysis of US managed care and Medicare patients Original Research (3403) Total Article Views Authors: Make B, Dutro MP, Paulose-Ram R, Marton JP, Mapel DW Published Date January 2012 Volume 2012:7 Pages 1 - 9 DOI: http://dx.doi.org/10.2147/COPD.S27032 Received: 08 October 2011 Accepted: 19 November 2011 Published: 18 January 2012 Barry Make1, Michael P Dutro2, Ryne Paulose-Ram2, Jen P Marton2, Douglas W Mapel3 1National Jewish Health, Denver, CO, 2Pfizer Inc, New York, NY, 3Lovelace Clinic Foundation, Albuquerque, NM, USA Background: We investigated a large population of patients with chronic obstructive pulmonary disease (COPD) to determine their frequency of medication use and patterns of pharmacotherapy. Methods: Medical and pharmacy claims data were retrospectively analyzed from 19 health plans (>7.79 million members) across the US. Eligible patients were aged ≥40 years, continuously enrolled during July 2004 to June 2005, and had at least one inpatient or at least two outpatient claims coded for COPD. As a surrogate for severity of illness, COPD patients were stratified by complexity of illness using predefined International Classification of Diseases, Ninth Revision, Clinical Modification, Current Procedural Terminology, Fourth Edition, and Healthcare Common Procedure Coding System codes. Results: A total of 42,565 patients with commercial insurance and 8507 Medicare patients were identified. Their mean age was 54.7 years and 74.8 years, and 48.7% and 46.9% were male, respectively. In total, 66.3% of commercial patients (n = 28,206) were not prescribed any maintenance COPD pharmacotherapy (59.1% no medication; 7.2% inhaled short-acting 2-agonist only). In the Medicare population, 70.9% (n = 6031) were not prescribed any maintenance COPD pharmacotherapy (66.0% no medication; 4.9% short-acting 2-agonist only). A subset of patients classified as high-complexity were similarly undertreated, with 58.7% (5358/9121) of commercial and 68.8% (1616/2350) of Medicare patients not prescribed maintenance COPD pharmacotherapy. Only 18.0% and 9.8% of diagnosed smokers in the commercial and Medicare cohorts had a claim for a smoking cessation intervention and just 16.6% and 23.5%, respectively, had claims for an influenza vaccination. Conclusion: This study highlights a high degree of undertreatment of COPD in both commercial and Medicare patients, with most patients receiving no maintenance pharmacotherapy or influenza vaccination.

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