ArticleFrontiers in cardiovascular medicine2026
Neighborhood socioeconomic measures and disparities in hospitalization for atrial fibrillation among medicare beneficiaries: a national county-level analysis.
Article in Frontiers in cardiovascular medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: To examine associations between Social Vulnerability Index (SVI), Social Deprivation Index (SDI), and median household income, and rates of hospitalizations for atrial fibrillation (AF) among Medicare beneficiaries. Methods: We analyzed hospitalizations with AF as the principal diagnosis among Medicare beneficiaries (aged ≥65) across 3,116 US counties (2019-2021) Results: The overall rate of hospitalization among patients with AF was 575 per 100,000 beneficiaries. Each 0.01-point increase in SVI and 1-point increase in SDI was associated with 1.6 and 1.7 additional hospitalizations per 100,000, respectively ( Conclusions: Neighborhood social determinants are strongly associated with AF hospitalization rates among Medicare beneficiaries despite near-universal coverage, with pronounced sex disparities. These findings support the use of county-level socioeconomic indices for geographic surveillance, while underscoring that patient-level longitudinal studies are needed to identify the specific drivers of these associations before clinical or policy interventions can be recommended.
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