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Related Experiment Videos

International variation in hip replacement rates.

H Merx1, K Dreinhöfer, P Schräder

  • 1Department of Orthopaedics (RKU), University of Ulm, D 89081 Ulm, Germany.

Annals of the Rheumatic Diseases
|February 21, 2003
PubMed
Summary

Hip replacement rates vary significantly across developed nations, with substantial differences observed in total hip replacement (THR) procedures among Organisation for Economic Co-operation and Development (OECD) countries. These variations may stem from diverse healthcare systems and differing criteria for performing THR.

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Area of Science:

  • Epidemiology
  • Orthopedic Surgery
  • Health Services Research

Background:

  • Hip replacement procedures are a common orthopedic intervention in developed countries.
  • Variations in hip replacement rates exist globally, necessitating epidemiological investigation.
  • Lack of standardized indication criteria for total hip replacement (THR) may influence procedure frequency.

Purpose of the Study:

  • To summarize epidemiological data on hip replacement frequency in developed countries, particularly within the Organisation for Economic Co-operation and Development (OECD).
  • To explore potential correlations between the absence of consensus criteria for THR indications and observed differences in replacement rates.

Main Methods:

  • Systematic review of existing literature.
  • Analysis of data from national health authorities.

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  • Inclusion of estimates from leading hip replacement manufacturers.

    • Main Results:

    • Crude primary THR rates in OECD countries during the 1990s ranged from 50 to 130 procedures per 100,000 inhabitants.
    • Overall hip implantation rates (including THR, partial replacements, and revisions) were between 60 and 200 procedures per 100,000 inhabitants in the late 1990s.
    • Significant national disparities were noted in the ratio of total hip replacement to partial hip replacement procedures.

    Conclusions:

    • Substantial variations in hip replacement rates exist among OECD countries.
    • Potential contributing factors include differing coding systems, healthcare structures, per capita health expenditures, population demographics, and varying THR indication criteria.