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JAMA internal medicine
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JAMA internal medicine · Oct 2014
Randomized Controlled TrialThe effect of information presentation on beliefs about the benefits of elective percutaneous coronary intervention.
For stable angina, the benefits of percutaneous coronary intervention (PCI) are limited to symptom relief, but patients often believe that PCI prevents myocardial infarction (MI). Whether presenting accurate information about the benefits of PCI would dispel these beliefs remains unknown. We hypothesized that explanatory information would be more effective for influencing volunteers' beliefs. ⋯ In the setting of mild, stable angina, most people assume PCI prevents MI and are likely to choose it. Explicit information can partially overcome that bias and influence decision making. Explanatory information was the most effective intervention in overcoming this bias.