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Costs attributable to osteoarthritis

C H MacLean1, K Knight, H Paulus

  • 1West Los Angeles Veterans Affairs Medical Center, Division of General Internal Medicine, California, USA.

The Journal of Rheumatology
|November 18, 1998
PubMed
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Osteoarthritis (OA) significantly increases healthcare costs in managed care. Patients with OA incurred medical charges approximately twice as high as those without OA, representing a substantial portion of total plan expenses.

Area of Science:

  • Health Economics
  • Clinical Epidemiology
  • Musculoskeletal Disorders

Background:

  • Osteoarthritis (OA) is a prevalent degenerative joint disease.
  • Managing OA costs is crucial for healthcare systems, particularly managed care organizations.
  • Understanding the economic burden of OA is essential for resource allocation.

Purpose of the Study:

  • To quantify the healthcare charges directly attributable to osteoarthritis (OA) within a managed care setting.
  • To compare the per-patient-year costs for individuals with OA versus those without OA.

Main Methods:

  • A longitudinal study design utilizing insurance claims data from 1991-1993.
  • A random sample of 20,000 subjects with OA claims was selected.
  • Charges per person-year were compared between OA patients and matched controls without OA claims.

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Main Results:

  • Patients with OA incurred annual charges of $5,294 (<65 years) and $5,704 (≥65 years).
  • Control subjects incurred annual charges of $2,467 (<65 years) and $3,741 (≥65 years).
  • OA-attributable charges were $2,827 and $1,963, representing 5% of total managed care plan costs.

Conclusions:

  • Symptomatic osteoarthritis patients incur medical care charges approximately double that of enrollees without OA claims.
  • Osteoarthritis accounts for a significant percentage of overall healthcare expenditures in managed care plans.
  • These findings highlight the substantial economic impact of OA on healthcare systems.