Fig. 1From: Association of red cell distribution width with pulmonary arterial hypertension in patients with mixed connective tissue diseaseAssociation between RDW and PASP. Spearman correlations analysis showed a significant positive correlation between RDW and the PASP (r = 0.716, P < 0.001) in the study population of MCTD-PAH (n = 46)Back to article page