ALB and pulmonary arterial hypertension: Some laboratory parameters (serum creatinine, reticulocyte, albumin, nucleated red blood cells, globulin, cell-free hemoglobin, N-terminal pro-B-type natriuretic peptide, high-sensitivity C-reactive protein, soluble vascular cell adhesion molecule, platelet, lactate dehydrogenase) were associated with pulmonary hypertension.