31 January 2022 - This study outlines the ways in which different health technology assessment organizations deal with uncertainty in relative effectiveness assessments, using the GRADE framework as a common reference. 

Guidelines regarding relative effectiveness assessments and uncertainty assessment methods and three most recent health technology assessments reports (as of April 2020) of seven HTA organisations in Germany, England and Wales, France, the Netherlands, Europe (EUnetHTA), the USA, and Canada were included.

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