During the pandemic, doctors and patients have confronted the reality that few decisions in medicine are cut and dried. Instead, we've been forced to consider the concept of relative risk. Examples ...

WASHINGTON — By now we've all heard that the Pfizer COVID-19 vaccine has an efficacy rate of 95%, Moderna of 94%, and Johnson & Johnson about 66%; what you may not have known is that rate's technical ...

With a statin, a reasonable guess would be a drop of about 20% of the absolute risk (19.4% in this case), meaning a drop to 15.5%. The relative risk reduction is 20%, but the absolute risk reduction ...

If rd is the relative risk of a disorder in the entire population, and $r_{d,i}$ is the relative risk of the disorder in i = 1,.. .m strata, then one may show readily ...

Risk for developing long COVID doubled in kids who got infected with SARS-CoV-2 a second time. Reinfection's greater risk also held up in a range of potential long COVID-related conditions and ...

Genetic tests for Alzheimer’s can detect specific genes linked to the disease. In most cases, they can’t definitively confirm or predict a diagnosis, but they can provide insight into your relative ...