BMJ | VOL. 377

Industry sponsorship bias in cost effectiveness analysis: registry based analysis

Publication Date Jun 22, 2022


Abstract Objective To assess the association between industry sponsorship (drug, medical device, and biotechnology companies) and cost effectiveness results in cost effectiveness analysis (CEA). Design Registry based analysis Data source The Tufts Cost-Effectiveness Analysis Registry was used to identify all CEAs published in Medline between 1976 and 2021. Eligibility criteria for selecting studies CEAs that reported incremental cost effectiveness ratio (ICER) using quality adjusted life year and provided sufficient information about the magnitude or location of the ICER. Methods Descriptive analyses were used to describe and compare the characteristics of CEAs with and without industry sponsorship. Logistic regression was used to identify the association between industry sponsorship and the cost effective conclusion using selected threshold values ($50 000 (£40 511; €47 405), $100 000, and $150 000). Robust linear regression was used to assess the association between industry sponsorship and the magnitude of ICER. All regression analyses were adjusted for disease and study design characteristics. Results 8192 CEAs were eligible and included in the analysis, with 2437 (29.7%) sponsored by industry. Industry sponsored CEAs were more likely to publish ICERs below $50...


Incremental Cost Effectiveness Ratio Non-industry Sponsored Studies Industry Sponsorship Cost Effectiveness Analysis Adjusted Life Year Life Year Registry Based Analysis Selected Threshold Values Robust Linear Regression Study Design Characteristics

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