Between Oct. 1, 2008 and June 30, 2010, Medicare patients at St. Joseph’s Medical Center in Yonkers, N.Y., suffered thirteen instances of severe bed sores during their stay requiring additional treatment, a rate of nearly 2.9 per 1,000 treated. At St. John’s Riverside Hospital, three miles down Broadway from St. Joseph’s, the rate was 20 times lower: only one severe bed sore was reported, even though St. John's discharged far more Medicare patients during that period -- 8,270 to St. Joseph's 4,541.

Over the protests of groups like the American Hospital ...