Trends in Cardiovascular Mortality Associated With Systemic Connective Tissue Disorders in the United States: A 22-Year Population-Based National Analysis (1999-2020).
To examine national trends and disparities in cardiovascular mortality associated with systemic connective tissue disorders (CTDs) in the United States from 1999 to 2020.
We analyzed mortality data from the CDC WONDER database. Deaths were included where CTD (ICD-10: M05, M06, M30-M35) was the underlying cause and cardiovascular disease was a contributing cause. Age-adjusted mortality rates (AAMRs) per 1 000 000 were calculated using the 2000 US Standard Population. Joinpoint regression identified annual and average annual percentage changes. Analyses were stratified by sex, race/ethnicity, census region, and urbanization. Disease subgroup and state-level analyses were performed.
Between 1999 and 2020, 47 752 cardiovascular deaths occurred among individuals with systemic CTDs. The national AAMR declined from 14.4 to 8.2 per 1 000 000 (AAPC: -2.68%, 95% CI: -2.89 to -2.47, p < 0.001). Females had consistently higher mortality than males (average AAMR: 13.5 vs. 5.9 per 1 000 000; p < 0.001). Non-Hispanic Black individuals had the highest rates (average AAMR: 14.9 per 1 000 000), with widening disparities after 2008. Rural areas had higher mortality than urban areas (average AAMR: 11.4 vs. 9.9 per 1 000 000; p = 0.01). Subgroup analyses revealed heterogeneous trends across CTD subtypes, with SLE showing the slowest improvement (AAPC: -1.87%) and dermatomyositis the steepest decline (AAPC: -4.98%). State-level AAMRs ranged 2.2-fold, from 6.3 (District of Columbia) to 13.6 (Montana) per 1 000 000.
Cardiovascular mortality associated with systemic CTDs has declined significantly over two decades; however, persistent racial disparities, urban-rural differences, heterogeneous disease-specific trends, and substantial geographic variation underscore the need for targeted, equitable interventions in this high-risk population.
We analyzed mortality data from the CDC WONDER database. Deaths were included where CTD (ICD-10: M05, M06, M30-M35) was the underlying cause and cardiovascular disease was a contributing cause. Age-adjusted mortality rates (AAMRs) per 1 000 000 were calculated using the 2000 US Standard Population. Joinpoint regression identified annual and average annual percentage changes. Analyses were stratified by sex, race/ethnicity, census region, and urbanization. Disease subgroup and state-level analyses were performed.
Between 1999 and 2020, 47 752 cardiovascular deaths occurred among individuals with systemic CTDs. The national AAMR declined from 14.4 to 8.2 per 1 000 000 (AAPC: -2.68%, 95% CI: -2.89 to -2.47, p < 0.001). Females had consistently higher mortality than males (average AAMR: 13.5 vs. 5.9 per 1 000 000; p < 0.001). Non-Hispanic Black individuals had the highest rates (average AAMR: 14.9 per 1 000 000), with widening disparities after 2008. Rural areas had higher mortality than urban areas (average AAMR: 11.4 vs. 9.9 per 1 000 000; p = 0.01). Subgroup analyses revealed heterogeneous trends across CTD subtypes, with SLE showing the slowest improvement (AAPC: -1.87%) and dermatomyositis the steepest decline (AAPC: -4.98%). State-level AAMRs ranged 2.2-fold, from 6.3 (District of Columbia) to 13.6 (Montana) per 1 000 000.
Cardiovascular mortality associated with systemic CTDs has declined significantly over two decades; however, persistent racial disparities, urban-rural differences, heterogeneous disease-specific trends, and substantial geographic variation underscore the need for targeted, equitable interventions in this high-risk population.
Authors
Aghasili Aghasili, Odai Odai, Mensah Mensah, Mate-Kole Mate-Kole, Eyiah Eyiah, Kopah Kopah, Orhin Orhin, Opoku Opoku, Ogieuhi Ogieuhi, Atafo Atafo, Matsumura Matsumura
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