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Related Experiment Videos

Questioning the claims from Kaiser.

Alison Talbot-Smith1, Shamini Gnani, Allyson M Pollock

  • 1Public Health Policy Unit, School of Public Policy, University College London, London.

The British Journal of General Practice : the Journal of the Royal College of General Practitioners
|June 10, 2004
PubMed
Summary
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A 2002 study comparing the UK National Health Service (NHS) and Kaiser Permanente claimed similar costs and better performance for Kaiser. However, this analysis reveals significant methodological flaws, showing the NHS has lower per capita costs and broader coverage than Kaiser.

Area of Science:

  • Health Services Research
  • Comparative Healthcare Systems Analysis
  • Health Economics

Background:

  • A 2002 BMJ article by Feachem et al. compared the UK National Health Service (NHS) with the US Kaiser Permanente system.
  • The original article claimed comparable per capita healthcare costs and superior performance for Kaiser Permanente.
  • This study critically re-examines the methodology and conclusions presented in the Feachem et al. article.

Purpose of the Study:

  • To rigorously assess the accuracy of the comparative claims made by Feachem et al.
  • To identify and rectify methodological flaws in the original study's data and analysis.
  • To provide a more accurate comparison of the NHS and Kaiser Permanente healthcare systems.

Main Methods:

  • Detailed re-examination of the data and methodologies employed by Feachem et al.

Related Experiment Videos

  • Analysis of 82 letters responding to the original BMJ article.
  • Correction for population differences, cost inflation, currency conversion errors, and data standardization issues.

    • Main Results:

    • Significant demographic differences between NHS and Kaiser Permanente populations were inadequately adjusted for, with Kaiser's population being younger and healthier.
    • NHS costs were inflated by excluding user charges, administrative costs, and underestimating capital charges; double currency conversion also skewed results.
    • Corrected analysis indicates the NHS has a 40% cost advantage, with per capita costs of $1161 (NHS) vs. $1951 (Kaiser). Non-standardized data and selective performance measures further biased the original findings.

    Conclusions:

    • The claims made by Feachem et al. regarding the comparative costs and performance of the NHS and Kaiser Permanente are unsupported by the evidence.
    • Methodological flaws, including population non-comparability, cost miscalculations, and data standardization issues, invalidate the original study's conclusions.
    • The NHS and Kaiser Permanente are fundamentally different in terms of coverage, costs, and performance.