Every clinician knows that “framing” – how we present information to patients – has a big impact on decisions they make about their care. Even something as simple and apparently transparent as talking about “survival” versus “mortality” is important, with “a 90% chance of living” sounding a lot better than “a 10% chance of dying” even if both phrases convey the same estimate of risk.
Things get even more dicey when doctors start talking to patients about more subtle concepts like risk-reduction or number needed to treat. The clinical impact of a big relative risk reduction operating on a low absolute risk can be hard for doctors to explain and patients to understand.
The impact of that complexity was the subject of a recent editorial in Circulation. In it, Diprose and Verster speculate that doing a better job of explaining these things to patients, which certainly seems like a good idea, may paradoxically lead to worse population health outcomes. Here’s how it could happen.