Rochester Epidemiology Project

The Rochester Epidemiology Project (REP) is a unique national resource and long-established collaborative initiative originating in Olmsted County, Minnesota. Administratively led by researchers from the Mayo Clinic Department of Health Sciences Research and the Mayo Clinic Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery's Population Health Science Program, the REP includes a medical-records linkage system that includes information from more than 500,000 Olmsted County residents, spanning more than 50 years.

Its main collaborators include Olmsted Medical Center, Mayo Clinic and Mayo Clinic Health System, and Olmsted County Public Health Services, as well as several dental practices in Olmsted County. In recent years, the REP has expanded to include medical records from a total of 27 counties in Minnesota and Wisconsin. The REP now contains approximately 1 million individual patient records.

Funded by the National Institutes of Health since 1966, the Rochester Epidemiology Project plays an important role in understanding population health. Using medical records information, researchers can identify what causes diseases and how patients with certain diseases respond to surgery, medication or other interventions. They can even determine what the future is likely to include for patients with specific diseases or medical conditions.

The REP supports 22 federally funded long-term resesearch initiatives:

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