ALB and pulmonary arterial hypertension: Univariable Cox regression analysis revealed that age, BMI, SBP, DBP, RHR, diabetes, coronary heart disease, pulmonary hypertension, estimated glomerular filtration rate (eGFR), NYHA class, severe TR, symptoms, hemoglobin, albumin, total bilirubin, LVEDDi, LVEF, etiology, and use of beta-blockers and diuretics were potential predictors of all-cause mortality (Supplementary materials).