The healthcare ratings organization HealthGrades released its annual list of the 50 best hospitals based on an analysis of six years of risk-adjusted Medicare claims data.
According to HealthGrades, analysts looked at in-hospital mortality and complication rates for 27 procedures and diagnoses. Nearly 5,000 U.S. hospitals were included in the ratings scheme that used data from 1999 through 2006 and involved 100 million hospitalization records, according to the Golden, Colo.-based company.
To be included in the top 50, hospitals needed statistically significant scores in at least 20 of the 27 survey areas, Health Grades spokesman Scott Shapiro said. The top hospitals had, on average, a 27% lower mortality rate than all other hospitals, according to a company news release. A report on the top 50 hospitals is posted on the company's Web site. -- by Joseph Conn
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