Association of household income and adverse outcomes in patients with atrial fibrillation.

Heart
Anna R LaRosaJared W Magnani

Abstract

Social determinants of health are relevant to cardiovascular outcomes but have had limited examination in atrial fibrillation (AF). The purpose of this study was to examine the association of annual household income and cardiovascular outcomes in individuals with AF. We analysed administrative claims for individuals with AF from 2009 to 2015 captured by a health claims database. We categorised estimates of annual household income as <$40 000; $40-$59 999; $60-$74 999; $75-$99 999; and ≥$100 000. Covariates included demographics, education, cardiovascular disease risk factors, comorbid conditions and anticoagulation. We examined event rates by income category and in multivariable-adjusted models in reference to the highest income category (≥$100 000). Our analysis included 336 736 individuals (age 72.7±11.9 years; 44.5% women; 82.6% white, 8.4% black, 7.0% Hispanic and 2.1% Asian) with AF followed for median (25th and 75th percentile) of 1.5 (95% CI 0.6 to 3.0) years. We observed an inverse association between income and heart failure and myocardial infarction (MI) with evidence of progressive risk across decreased income categories. Individuals with household income <$40 000 had the greatest risk for heart failure (HR 1.17; 95%...Continue Reading

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Jun 4, 2021·Nature Reviews. Cardiology·Utibe R EssienJared W Magnani

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