A New Way to Track Alzheimer’s and Related Dementias
?? The Dementia DataHub is a first-of-its-kind surveillance system for Alzheimer’s Disease and related dementias.
NORC’s groundbreaking Dementia DataHub provides unprecedented county-level data on Alzheimer’s Disease and related dementias (ADRD) across the United States. This innovative tool comes at a critical time in the U.S. Advancing age is the greatest dementia risk factor, and adults over 65 are projected to outnumber children by 2030, according to the U.S. Census Bureau.?
ADRD are brain conditions that cause progressive deterioration in memory, language, and bodily function and result in death. They are the sixth leading cause of reported death in the United States and cost the U.S. health care system over $305 billion in 2020. As the nation’s population ages, the need to track ADRD has never been greater. NORC’s new Dementia DataHub meets this need.?
“Our Dementia DataHub is a first-of-its-kind ADRD surveillance system,” said David Rein , a senior fellow in NORC’s Public Health department and program area director of NORC’s Public Health Analytics Program Area . “It reports geographic counts of diagnosed ADRD prevalence, incidence, payments, mortality, and COVID-19 infection from the county level on up.”
?? NORC overcame data limitations by developing evidence-based case definitions.
Built in collaboration with The George Washington University- Milken Institute School of Public Health and KPMG LLP., with support from the National Institute on Aging (NIA) , our hub draws data from administrative health care data systems, including Medicare fee-for-service claims and Medicare Advantage encounter data.?
Although Medicare data provide highly accurate counts of people who have been diagnosed with ADRD, as many as 61 percent of people with ADRD likely remain undiagnosed because of various challenges, such as dementia symptoms going unrecognized in clinical settings or a lack of diagnosis codes indicating ADRD in someone’s Medicare record. To overcome these limitations, our team spent a full year systematically reviewing published diagnosis code case definitions and consulting with ADRD experts to develop these more evidence-based definitions:
“We intend to refine these definitions over time using validation studies and eventually identify how many undiagnosed cases there are for each diagnosed one and how this rate varies by demographic and region,” Rein said.
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?? Our new definitions revealed that ADRD disproportionately affects minority populations and women.
Over 8.1 million Medicare beneficiaries were diagnosed with ADRD in 2020. Of these, 4.4 million were highly likely to have dementia, 1.1 million were likely to have it, and 2.6 million possibly had it. Even after age standardization, these individuals were older, frailer, more likely to be female, and used long-term care more than other Medicare beneficiaries across the board. We also found that:
?? We created a multifunctional website to make the data easier to explore.?
To make this granular data easier to access and analyze, we engaged experts in data visualization and privacy, geographic information systems, communications, and web design from across NORC. Our expanded team developed a visually appealing site that summarizes research and offers interactive dashboards and maps of results at the national, state, and county levels.?
“By providing researchers and others with epidemiological data in multiple formats and offering downloadable public-use files, the Dementia DataHub enables them to pursue their own hypotheses and conduct potentially life-altering investigations into ADRD,” Rein said.
Future site updates will include additional years, data sources, and outcome measures.
The JAMA Network Open journal published our article on our case definition development methods and results in its September 2024 edition. ?
EXPLORE: Dementia DataHub
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2 个月Promoting a healthy and safe environment for aging in place is crucial for individuals showing signs of Alzheimer’s and dementia. It preserves their dignity, fosters independence, and enhances their quality of life. By ensuring they remain in familiar surroundings, we help reduce confusion, memory loss, and anxiety. This connection to their communities and loved ones is vital for their well-being and helps manage symptoms like difficulty with daily tasks, disorientation, and communication challenges