Poor grades assigned by the nonprofit watchdog to the Tenet hospitals in Florida were based on methodology that “has no scientific basis” and “misrepresents hospital safety,” a federal judge ruled.

A federal judge has ruled against the Leapfrog Group in a suit brought by Tenet Healthcare subsidiary hospitals that said they were punished for not voluntarily submitting data to the hospital safety ...

Does bigger mean better when it comes to hospital safety? A new grading of U.S. hospitals from the patient safety organization Leapfrog Group suggests hospitals that get high marks on limiting ...