Empirical Testing of Alternative Search Methods to Retrieve Utility Values for Health Economic Modelling

Johanna Lister (), Suzy Paisley, Christopher Carroll and Paul Tappenden
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Johanna Lister: University of Sheffield, SCHARR
Suzy Paisley: Lumanity Limited
Christopher Carroll: University of Sheffield, SCHARR
Paul Tappenden: University of Sheffield, SCHARR

PharmacoEconomics, 2024, vol. 42, issue 11, No 7, 1255-1266

Abstract: Abstract Objectives The objective of this study is to compare different information retrieval methods that can be used to identify utility inputs for health economic models. Methods The usual practice of using systematic review methods was compared with two alternatives (iterative searching and rapid review), using a health technology assessment (HTA) case study in ulcerative colitis (UC). We analysed whether there were differences in the utility values identified when using the alternative search methods. Success was evaluated in terms of time, burden and relevance of identified information. The identified utility values were tested in an executable health economic model developed for UC, and the model results were compared. Results The usual practice of using systematic review search approaches identified the most publications but was also the least precise method and took longest to complete. The inclusion of data from the different search methods in the model did not lead to different conclusions across search methods. Conclusions In this case study, usual practice was less efficient and resulted in the same health economic model conclusions as the alternative search methods. Further case studies are required to examine whether this conclusion might be generalisable.

Date: 2024
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DOI: 10.1007/s40273-024-01414-7

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