Fig. 2From: Plasma markers in pulmonary hypertension subgroups correlate with patient survivalEffects of IL-8 and CXCL9 plasma levels on patient survival. Kaplan-Meyer survival analyses for a IL-8-high/low subgroups and b CXCL9-high/low of the indicated WHO PH patient subgroups. Statistical analysis was performed using a log-rank (Mantel-Cox) test and a Gehan-Breslow-Wilcoxon test. p Values are shown for the (Mantel-Cox) testBack to article page