Over a dozen hospitals in Greater Boston earned an “A” grade ranking in the latest safety report from health care watchdog group Leapfrog, with others dipping in their rankings and at least four Massachusetts hospitals receiving a “D” grade.
The biannual Safety Grade report, released this month, assigns grades to all general hospitals in the U.S. “based on their ability to protect patients from medical errors, accidents, injuries and infections,” the organization wrote in a release announcing the report.
The group then assigns letter grades to hospitals on a scale of “A,” “B,” “C,” D” and “F,” using up to 30 performance measures…