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Coding changes may have shifted pneumonia figures: study
Modern Healthcare

A significant dip in costly and dangerous pneumonia hospitalizations and inpatient deaths from 2003 to 2009 may have been a result, at least in part, of changes in diagnostic coding rather than advances in healthcare quality. That’s according to a study published in the April 4 issue of the Journal of the American Medical Association. Using data from the Nationwide Inpatient Sample, researchers found that during the six-year period, the hospitalization rate of patients with a principal diagnosis of pneumonia fell by more than 27%, from 5.5 per 1,000 to 4 per 1,000.