Abstract
Purpose: This study aimed to assess the survival rate (SR) and death risk for associated pulmonary arterial hypertension (aPAH; 10th revision of the International Statistical Classification of Diseases [ICD-10], I27.2) in Koreans.Methods: The data were collected from the Korean National Health Insurance Service from 2006 through 2017 (n= 15,448). We analyzed the SR using the Kaplan-Meier method and carried out Cox proportional hazards analyses.Results: Patients’ mean age upon aPAH diagnosis was 60.1±24.0 years, and 60.7% of the patients were female. The 10-year SR of aPAH was 46.3% (95% confidence interval, 45.0 to 47.6). The factors associated with an increase in the adjusted death risk included age of 0 to 9 years, advancing age, male sex, lower income level, and comorbidities including diabetes mellitus, myocardial infarction, heart failure, hemorrhagic stroke, chronic kidney disease, malignant neoplasm, hereditary hemorrhagic telangiectasia, and systemic lupus erythematosus.Conclusion: The 10-year SR of aPAH was over 46%. The risk of death from aPAH was significantly higher with advancing age, sex, lower income level, and comorbidities.
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