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Incidence and factors associated with mortality in 2,476 patients with variant angina in Korea.

Incidence and factors associated with mortality in 2,476 patients with variant angina in Korea.
Author Information (click to view)

Kim HL, Kim J, Kim HJ, Lim WH, Lee JY,


Kim HL, Kim J, Kim HJ, Lim WH, Lee JY, (click to view)

Kim HL, Kim J, Kim HJ, Lim WH, Lee JY,

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Scientific reports 2017 04 067() 46031 doi 10.1038/srep46031
Abstract

This study investigated the incidence and risk factors of mortality in 2,476 patients with variant angina (VA) using the National Health Insurance Service-National Sample Cohort between 2004 and 2011. The risk factors of all-cause and cardiac mortality were investigated using Cox proportional hazards model. Most patients (69.5%) were less than 65 years and 42.9% were women. During the median follow-up duration of 4.9 years, there were 178 (7.2%) and 95 (3.8%) cases of all-cause and cardiac mortality, respectively. Older age, hypertension, diabetes mellitus, poor medication adherence, low household income and tertiary teaching hospitals were independent predictors for all-cause mortality, while older age, hypertension, low household income and tertiary teaching hospitals were independent predictors for cardiac mortality. In conclusion, our findings suggest that traditional risk factor control and continued medication are important to improve VA outcomes, and that household income-level factors should be considered in the assessment of risk of VA patients.

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