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Mongan Institute for Health Policy

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Researchers from Harvard Medical School and Massachusetts General Hospital compared four measures of hospital-wide mortality provided by commercial vendors. "The results should not be interpreted as an indictment of any particular technique,” said Sharon-Lise T. Normand, HMS professor of health care policy.  “Rather, they call into question the concept of measurement of hospital-wide mortality, as four different methods yielded four different results. Thus, this may not be a good way to assess hospital quality.”

Mixed messages

Mortality rates are an unreliable metric for assessing hospital quality