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Combined discovery and validation cohorts. (A) Kaplan–Meier survival curve of all PH (PAH and non-PAH) patients. (B) Kaplan–Meier survival curve of PAH patients. (C) Kaplan–Meier survival curve of non-PAH PH patients. HR, hazard ratio; PAH, pulmonary arterial hypertension; PH, pulmonary hypertension.
