Abstract
Background: Peripheral arterial disease is a ubiquitous disease that varies in terms of morbidity and mortality due to biologic sex, including the impact of traditional and non-traditional risk factors and sex-specific conditions that adds complexity and contributes to the existing disparities. Thus, understanding the sex-specific trends of PAD in the United States population is critical for developing targeted interventions. We sought to analyze the burden of PAD in male and female patients across the US from 1990 to 2019. Methods: Using the Global Burden of Disease (GBD) study data from 2019, we performed an analysis of the burden of PAD from 1990-2019, across US states. The GBD defined PAD based on studies that used symptom-based criteria and expressed the burden of PAD as the age-standardized prevalence and disability adjusted life years (DALYs) rates. We additionally estimated the regional relative change in DALYs. Results: In 2019, there were 5.4 million males and 7.1 million females with PAD in the US. Absolute PAD prevalence and DALYs increased in both sexes between 1990 and 2019, figure. The 2019 age-standardized prevalence of PAD (per 100,000) in the US in 2019 was 2,124 (95% Uncertainty Interval (UI): 1905-2354), and 2,302 (95% UI: 2,079-2,522) for females. Between 1990 and 2019, females had higher increase in age-standardized PAD DALYs compared with males (13.8% vs 5.5%). Significant state-level geographic variance was noted in age-standardized prevalence of PAD in both sexes (2-fold difference between lowest and highest state), figure. Conclusion: The burden of PAD is increasing in the US owing to the aging population. The absolute prevalence of PAD is higher in women compared with men in the US. Over the past 3 decades, there has been a more significant increase age-standardized PAD DALYs in women as compared with men. Future studies are needed to investigate and target these disparities.
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