Novel measure of opioid dose and costs of care for diabetes mellitus: Opioid dose and health care costs

Santosh Gautam, Luisa Franzini, Osama I. Mikhail, Wenyaw Chan, Barbara J. Turner

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Diabetes mellitus (DM) has well known costly complications but we hypothesized that costs of care for chronic pain treated with opioid analgesic (OA) medications would also be substantial. In a statewide, privately insured cohort of 29,033 adults aged 18 to 64 years with DM and noncancer pain who filled OA prescription(s) from 2008 to 2012, our outcomes were costs for specific health care services and total costs per 6-month intervals after the first filled OA prescription. Average daily OA dose (4 categories) and total dose (quartiles) in morphine-equivalent milligrams were calculated per 6-month interval after the first OA prescription and combined into a novel OA dose measure. Associations of OA measures with costs of care (n = 126,854 6-month intervals) were examined using generalized estimating equations adjusted for clinical conditions, psychotherapeutic drugs, and DM treatment. Incremental costs for each type of health care service and total cost of care increased progressively with average daily and total OA dose versus no OAs. The combined OA measure identified the highest incremental total costs per 6-month interval that were increased by $8,389 for 50- to 99-mg average daily dose plus >900 mg total dose and, by $9,181 and $9,958 respectively, for ≥100 mg average daily dose plus 301- to 900-mg or >900 mg total dose. In this statewide DM cohort, total health care costs per 6-month interval increased progressively with higher average daily OA dose and with total OA dose but the greatest increases of >$8,000 were distinguished by combinations of higher average daily and total OA doses. Perspective The higher costs of care for opioid-treated patients appeared for all types of services and likely reflects multiple factors including morbidity from the underlying cause of pain, care and complications related to opioid use, and poorer control of diabetes as found in other studies.

Original languageEnglish (US)
Pages (from-to)319-327
Number of pages9
JournalJournal of Pain
Volume17
Issue number3
DOIs
StatePublished - Mar 1 2016

Keywords

  • Diabetes mellitus
  • health care costs
  • narcotic
  • opioid analgesic

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine
  • Neurology
  • Clinical Neurology

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