Research Study

Geographic Variation in Hospital Emergency Department Visits in the Medicare Population

In this 3M Clinical and Economic Research report, the Potentially Preventable Emergency Department Visits (PPVs) methodology was used to identify emergency department visits that may be potentially preventable. If there are an excess number of PPVs compared to a national norm within a managed care plan or geographic region, it is likely the excess PPVs represent emergency department visits that could be avoided if the delivery system functioned effectively. Based on a risk-adjusted national norm, the analysis found considerable PPV performance variation across census regions, states and Core Based Statistical Areas (CBSAs) from the Office of Management and Budget.

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