Abstract
Abstract Background/Introduction There is a lack of studies for the association between the status of metabolic syndrome (MetS) and the risk of atrial fibrillation (AF) Purpose The present study aimed to evaluate the impact of MetS status for the incidence of AF in Korean population. Methods We used the data obtained from the Korean National Health Insurance Service from 2009 to 2016. This study enrolled a total of 7,830,602 men and women aged between 30 and 69 years without baseline AF who underwent national health examination between January 2009 and December 2009. They were evaluated to determine the risk of AF based on the status of MetS until December 2016. Based on the criteria of the National Cholesterol Education Program Adult Treatment Panel III, the status of MetS was defined into three groups according to number of MetS components: the normal (0), Pre-MetS (1–2), and MetS (3–5). Results During follow-up, 20,708 subjects (0.26%) were diagnosed with AF. After multivariable adjustment, the risk of AF was significantly higher according to the status of MetS (hazard ratios [HR] 1.391, 95% confidence interval [CI] 1.322–1.464 in Pre-MetS and HR 1.722, 95% CI 1.621–1.829 in MetS). Among the components of MetS, central obesity (HR 1.316, P<0.001), elevated blood pressure (HR 1.451, P<0.001), and elevated fasting glucose (HR 1.163, P<0.001) were associated with an increased risk of AF. Conclusion MetS and pre-MetS are significantly associated with an increased risk of AF in Korean adults. Of the components of MetS, central obesity, elevated blood pressure, and elevated fasting glucose are potent risk factors for the risk of AF in this population.
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