'; Mayo research provides insights into high-risk younger demographics for severe COVID-19 – Dr Fundile Nyati

Mayo research provides insights into high-risk younger demographics for severe COVID-19

Mayo research provides insights into high-risk younger demographics for severe COVID-19
a Mayo Clinic medical staff woman (Asian) in full PPE perfoming a nasal COVID-19 test on an African American man

ROCHESTER, Minn. ― Using data from 9,859 COVID-19 infections, Mayo Clinic researchers have new insights into risk factors for younger populations, some of which differ significantly from their older counterparts. People younger than 45 had a greater than threefold increased risk of severe infection if they had cancer or heart disease, or blood, neurologic or endocrine disorders, the research found. These associations were weaker in older age groups. The study was published in Mayo Clinic Proceedings.

The research team studied people living in a 27-county region of Southeast Minnesota and West Central Wisconsin surrounding Mayo Clinic in Rochester diagnosed with COVID-19 between March and September 2020. The study used the Rochester Epidemiology Project, a linkage of 1.7 million medical records from multiple health care systems that provides a full picture of risks for an entire geographical region.

“Medical care is really fragmented in our country, so someone diagnosed with COVID-19 at one health care provider might end up at a totally different hospital for their severe case. If those records are not linked together, there’s really not a good way for us to understand that that is even the same patient,” says Jennifer St. Sauver, Ph.D., a Mayo Clinic epidemiologist and the study’s first author. “By contrast, the Rochester Epidemiology Project allowed us to follow patients from the time they were diagnosed through their use of health care after that diagnosis, even if they were taken care of at different places. In addition, we could look back in their medical records to better understand all of the chronic diseases this population had even before getting diagnosed with COVID-19 and how those diseases might have contributed to more severe infections.”

Among study participants, cancer was the biggest difference in risk comparing people younger and older than 45. For people younger than 45, cancer was a strong risk factor. It was not a significant factor for the older age group.

The researchers also found that people with developmental disorders, personality disorders, schizophrenia and other psychoses had the highest adjusted risk for severe COVID-19 among all chronic conditions.

Like many other studies on risk factors for COVID-19, the researchers found some races and ethnicities were at a higher risk than others. Though only 4.1% of the study population, Asian Americans had the highest risk of severe COVID-19, followed by Black Americans, who made up 11.5% of the severe cases. Hispanic ethnicity also was associated with a higher risk of severe infection.

The team studied positive PCR (polymerase chain reaction) tests for COVID-19 between March 1 and Sept. 30, 2020.

The COVID in our Community Research Study is being conducted by Mayo Clinic, Olmsted County Public Health Services, Olmsted Medical Center, and Zumbro Valley Health Center. The researchers say the project would not have been possible without the Rochester Epidemiology Project.

“The Rochester Epidemiology Project allows us to study diseases, such as COVID-19, in a defined population, which provides the ability to translate our results to all people with COVID-19, not just those with the most severe disease requiring medical care,” says senior author Celine Vachon, Ph.D., Chair of the Mayo Clinic Division of Epidemiology. “This type of infrastructure will allow us to follow patients who had COVID-19 in the 27-county region over time to better understand any future links to disease.”

The project also was supported by the Mayo Clinic Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery and the Mayo Clinic COVID-19 Research Fund.

Co-authors are Guilherme Lopes, Ph.D., Mayo Clinic; Walter Rocca, M.D., Mayo Clinic; Kavita Prasad, M.D., Zumbro Valley Health Center; Michelle Majerus, Olmsted Medical Center; Andrew Limper, M.D., Mayo Clinic; Debra J. Jacobson, Mayo Clinic; Chun Fan, Mayo Clinic; Robert Jacobson, M.D., Mayo Clinic; Lila Rutten, Ph.D., Mayo Clinic; and Aaron Norman, Mayo Clinic.

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About the Rochester Epidemiology Project
The Rochester Epidemiology Project is a collaboration of clinics, hospitals, and other medical and dental care facilities in southern Minnesota and western Wisconsin. Founded by Mayo Clinic and Olmsted Medical Center in 1966 in Olmsted County, Minnesota, the collaboration now stretches across 27 counties and includes Olmsted County Public Health Services as its first public health member. This collaboration and sharing of medical information makes this area of Minnesota and Wisconsin one of the few places where true population-based research can be accomplished. For more information about the Rochester Epidemiology Project, view its new historic timeline. Also, visit the Rochester Epidemiology Project website.

About Mayo Clinic
Mayo Clinic is a nonprofit organization committed to innovation in clinical practice, education and research, and providing compassion, expertise and answers to everyone who needs healing. Visit the Mayo Clinic News Network for additional Mayo Clinic news. For information on COVID-19, including Mayo Clinic’s Coronavirus Map tracking tool, which has 14-day forecasting on COVID-19 trends, visit the Mayo Clinic COVID-19 Resource Center.

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Information in this post was accurate at the time of its posting. Due to the fluid nature of the COVID-19 pandemic, scientific understanding, along with guidelines and recommendations, may have changed since the original publication date

For more information and all your COVID-19 coverage, go to the Mayo Clinic News Network and mayoclinic.org.

Learn more about tracking COVID-19 and COVID-19 trends.

July 15, 2021- Mayo Clinic COVID-19 trending map using red color tones for hot spots

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