A Wall Street Journal article suggests the numbers released earlier last month by Harvard Professor Donald Berwick stating improved conditions in US hospitals may be inaccurate.
The study employed 3,000 hospitals who implemented six steps to improve treatment and conditions in hospitals, and the results showed that 122,300 lives had been saved by this practice. This article examines the difficulty in determining whether a patient dies due to a single medical error or procedure. The results may be skewed as the numbers before the study are compared to those after the study, thus the inability to determine if the results came from the effort or other factors is great.
For the full article.