When the employer-backed Leapfrog Group handed out grades of A, B or C on patient safety to individual hospitals in June, 5% of hospitals scored low enough to receive D’s or F’s but were marked as “grade pending.” The hospitals had better shape up by the end of the year, Leapfrog said, or they will get a D or F.

Now the group has kept its promise, handing out the low marks to 146 U.S. hospitals, including highly regarded facilities such as Cleveland Clinic and the Ronald Reagan UCLA Medical Center in Los Angeles.

My latest. Read the whole shebang.