Bottom Line: About 28 percent of the orders for three services at three hospitals were judged to be at least partially defensive by the physicians who ordered them.
Author: Michael B. Rothberg, M.D., M.P.H., of the Cleveland Clinic, and colleagues.
Background: The overuse of medical tests and procedures driven by a fear of malpractice lawsuits, commonly known as defensive medicine, has been estimated to cost $46 billion annually in the U.S., although those costs have been measured indirectly.