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Comparison of survival according to the etiologies of PAH of the incident cases in the KORPAH (n=297). This figure presents a comparison of prognoses according to the etiologies of PAH. PAH with CTD corresponded to the highest mortality (18.8%), followed by idiopathic PAH (IPAH) (8.1%) and PAH with congenital heart disease CHD (3.9%) (P=0.043). CHD, congenital heart disease; CTD, connective tissue disease. [Reproduced by permission of the Korean Academy of Medical Sciences (6)].
