Fig. 4From: Serum biomarker for diagnostic evaluation of pulmonary arterial hypertension in systemic sclerosisELISA validation cohort data. Graphs show differences (Wilcoxon signed-rank test) of lcSSc-PAH Follistatin-like 3 (FSTL3), and Midkine (MDK) protein concentrations as compared to SSc patients with no lung disease in the test cohort (A) as well as two independent validation cohorts (B and C). PAH pulmonary arterial hypertensionBack to article page