Characteristics, treatment, and health care expenditures of medicare supplemental-insured patients with painful diabetic peripheral neuropathy, post-herpetic neuralgia, or fibromyalgia

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Abstract

Objective: To describe the characteristics, treatment, and health care expenditures of Medicare Supplemental-insured patients with painful diabetic peripheral neuropathy (pDPN), post-herpetic neuralgia (PHN), or fibromyalgia. Design: Retrospective cohort study. Setting: United States clinical practice, as reflected within a database comprising administrative claims from 2.3 million older adults participating in Medicare supplemental insurance programs. Subjects: Selected patients were aged ≥65 years, continuously enrolled in medical and prescription benefits throughout years 2008 and 2009, and had ≥1 medical claim with an International Classification of Diseases, Ninth Revision, Clinical Modification diagnosis code for DPN, PHN, or fibromyalgia, followed within 60 days by a medication or pain intervention procedure used in treating pDPN, PHN, or fibromyalgia during 2008-2009. Outcome Measures: Utilization of, and expenditures on, pain-related and all-cause pharmacotherapy and medical interventions in 2009. Results: The study included 25,716 patients with pDPN (mean age 75.2 years, 51.2% female), 4,712 patients with PHN (mean age 77.7 years, 63.9% female), and 25,246 patients with fibromyalgia (mean age 74.4 years, 73.0% female). Patients typically had numerous comorbidities, and many were treated with polypharmacy. Mean annual expenditures on total pain-related health care and total all-cause health care, respectively, (in 2010 USD) were: $1,632, $24,740 for pDPN; $1,403, $16,579 for PHN; and $1,635, $18,320 for fibromyalgia. In age-stratified analyses, pain-related health care expenditures decreased as age increased. Conclusions: The numerous comorbidities, polypharmacy, and magnitude of expenditures in this sample of Medicare supplemental-insured patients with pDPN, PHN, or fibromyalgia underscore the complexity and importance of appropriate management of these chronic pain patients. © 2014 American Academy of Pain Medicine Wiley Periodicals, Inc.

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Johnston, S. S., Udall, M., Alvir, J., Mcmorrow, D., Fowler, R., & Mullins, D. (2014). Characteristics, treatment, and health care expenditures of medicare supplemental-insured patients with painful diabetic peripheral neuropathy, post-herpetic neuralgia, or fibromyalgia. Pain Medicine (United States), 15(4), 562–576. https://doi.org/10.1111/pme.12328

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