Instead, the patients had narrowed arteries that were discovered with exercise stress tests. All participants were regularly counseled to adhere to medical therapy. Patients were randomly assigned to have medical therapy alone or an intervention and medical therapy. Of those in the intervention group, three-quarters received stents; the others received bypass surgery. The number of deaths among those who had stents or bypass was 145, compared to 144 among the patients who received medication alone.

Source: New York Times November 16, 2019 18:56 UTC