Patientsâ risk of dying during a hospital stay for heart bypass surgery could be 85.2% lower, on average, at a hospital rated 5 stars compared to a hospital rated 1 star for that procedure.Choosing the right hospital is critical to your health.hank You. This confirms that we have received your survey about Dr. Lopez Sr.. Please note: Your insights will help other patients make informed decisions. Please note: it may take 1 business day for your survey response to appear.