Crittenden and Shah raise concerns about “the real-world effectiveness of patient-centered decision aids in improving measurable outcomes and what those measures should be.” This is an important comment relevant to widespread implementation and applicability of patient-centered decision aids across different clinician, patient, and practice contexts. The Diabetes Medication Choice trial aimed to evaluate “efficacy” of a decision aid to improve patient knowledge, involvement in making a decision, and adherence and glycemic control in a single practice context.1 However, it was not designed to document real-world effectiveness across different practice contexts or how to normalize their use into routine usual care.2
Montori VM, Mullan RJ, Shah N, Ting H. Metrics for Evaluating the Utility of Patient-Centered Decision Tools—Reply. Arch Intern Med. 2010;170(5):496–497. doi:10.1001/archinternmed.2010.24
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