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Hospital Errors Occur 10 Times More Than Reported, Study Finds

Hospitals and U.S. regulators fail to record at least 90 percent of patient injuries, infections and other safety issues, a study found.

A review uncovered 354 so-called adverse events, such as pressure sores, bloodstream infections and medication errors, at three U.S. teaching hospitals. A system designed by the federal Agency for Healthcare Research and Quality identified 35 cases at the same facilities while the hospitals’ voluntary reporting programs found four, according to the study, published in the journal Health Affairs.