Table 1.

Impact of certification standards for shared decision-making tools on the review process

Selected standards for the certification of shared decision-making tools (IPDAS)	Impact on the review process
The tool describes the options available for the index decision (level 1).	▸ Several interventions need to be reviewed to design a single shared decision-making tool.
The tool describes the positive and negative features of each option in equal detail (levels 1 and 2).	▸ Less robust sources of information need to be used when there is a lack of evidence or detail (e.g., harms of an intervention).
The tool allows users to compare the negative and positive features of available options (level 3).	▸ All probabilities need to be transformed into absolute risks with a common denominator, to allow the comparison of benefits and harms, as well as the various options.
The tool enables the comparison of outcome probabilities using the same denominator (level 3).