The CHD challenge: comparing four cost-effectivess models

Turner, David, Raftery, James, Cooper, Keith, Fairbank, Eleanor, Palmer, Stephen, Ward, Sue and Ara, Roberta (2011) The CHD challenge: comparing four cost-effectivess models Value in Health, 14, (1), pp. 53-60. (doi:10.1016/j.jval.2010.10.009).


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Objectives: to compare four UK models evaluating the cost-effectiveness of interventions in coronary heart disease (CHD), exploring the relative importance of structure and inputs in accounting for differences, and the scope for consensus on structure and data.

Methods: we compared published cost-effectiveness results (incremental cost, quality-adjusted life year, and cost-effectiveness ratio) of three models conforming to the National Institute for Health and Clinical Excellence guidelines dealing with three interventions (statins, percutaneous coronary intervention, and clopidogrel) with a model developed in Southampton. Comparisons were made using three separate stages: 1) comparison of published results; 2) comparison of the results using the same data inputs wherever possible; and 3) an in-depth exploration of reasons for differences and the potential for consensus.

Results: although published results differed by up to 73% (for statins), standardization of inputs (stage 2) narrowed these gaps. Greater understanding of the reasons for differences was achieved, but a consensus on preferred values for all data inputs was not reached.

Conclusions: we found that published guidance on methods was important to reduce variation in important model inputs. Although the comparison of models did not lead to consensus for all model inputs, it provided a better understanding of the reasons for these differences, and enhanced the transparency and credibility of all models. Similar comparisons would be aided by fuller publication of models, perhaps through detailed web appendices

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.jval.2010.10.009
ISSNs: 1098-3015 (print)
Subjects: H Social Sciences > HJ Public Finance
R Medicine > R Medicine (General)
Organisations: Primary Care & Population Sciences
ePrint ID: 181291
Date :
Date Event
January 2011Published
Date Deposited: 14 Apr 2011 09:08
Last Modified: 18 Apr 2017 02:29
Further Information:Google Scholar

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