The article “A Systematic Review of Methods Used for Confounding Adjustment in Observational Economic Evaluations in Cardiology Conducted between 2013 and 2017” was published in 2020 by Dr. Jason Robert Guertin and his colleagues.
This project aimed to identify whether and how health economic evaluation teams had controlled for confounding bias in economic assessments based on observational data. To do this, Guertin’s team undertook a systematic review of economic evaluations based on observational data in cardiology published between 2013 and 2017. Nathalie Rheault and Hervé Zomahoun, from the Unité de soutien SRAP du Québec’s Research on health and social systems, knowledge application and implementation team, collaborated.
The systematic review found that less than half of the selected studies had accounted for confounding bias. In light of this finding, the publication makes recommendations to improve the use of approaches to control for confounding bias in economic evaluations based on observational data.
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