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In the previous study, we aimed to identify risk factors for early mortality and their relationships with the severity of PAAH in patients with PAAH using univariate and multivariate logistic regression analyses. The risk factors were only investigated in PAAH, and we defined what would lead to an increased risk of death in association with PAAH. In the present study, we aimed to evaluate risk factors of early death in type A AD patients, including the presence of PAAH; this target group was the biggest difference compared to our previous study.","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Study subjects or cohorts overlap"}},{"order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Methodology"}}]}}