Not all hospitals are created equal, and the differences in quality can be a matter of life or death. In the first comprehensive study comparing how well individual hospitals treated a variety of medical conditions, researchers found that patients at the worst American hospitals were three times more likely to die and 13 times more likely to have medical complications than if they visited one of the best hospitals.
http://www.nytimes.com/2016/12/14/business/hospitals-death-rates-quality-vary-widely.html
