Map: The best (and worst) states for hospital safety, according to Leapfrog

More than half of hospitals in Oregon received an "A" from the Leapfrog Group in its Spring 2019 Hospital Safety Grade, which was released last week, while several states had no hospitals receive an "A" grade.

Just updated: Your 1-page guide to understanding Leapfrog's rating metrics and methodologies

About the ratings

For the ratings, Leapfrog assigned "A" to "F" letter grades to 2,619 general acute-care hospitals in the United States based on 13 process and structural measures and 15 outcome measures that represent medical errors, accidents, injuries, and infections.

The Leapfrog ratings, which are updated twice a year, focus on acute-care hospitals. The ratings do not cover facilities such as critical access hospitals, specialty hospitals, and federal hospitals because of missing data.

In the latest report, about one-third of hospitals, or 832, received an "A" rating. However, more than 40% of hospitals, or 1,106, received a "C" or lower. Oregon had the highest share of hospitals rated "A" out of any state—at 58.06%—while Alaska, Delaware, North Dakota, Washington, D.C., and Wyoming tied for last, with zero hospitals receiving an "A" grade.

Where the 'A' hospitals are located

Leapfrog also compiled a list of the share of "A"-graded hospitals in each state.

Ratings for each hospital are available on Leapfrog's HospitalSafetyGrade.org website (Leapfrog Group methodology, accessed 5/20).

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