This review is an update to previous reviews. It found evidence that, compared to usual care,use of decision aids improves people's knowledge regarding options; stimulates people to take a more active role in decision making; improves accurate risk perceptions when probabilities are included; and improves congruence between the chosen option and the patient's values.
The International Patient Decision Aid Standards (IPDAS) Collaboration’s Quality Dimensions: Theoretical Rationales, Current Evidence, and Emerging Issues
This is a collection of articles focusing on how materials to support patient decisions can be designed, implemented and evaluated. The articles explore a wide range of issues including how to address health literacy in patient decision aids, how to present information about options and how to communicate risk.