Fig. 4.
Kaplan-Meier curves for detection of 1-year survival in dependence of several risk groups. I: sPAP 40 mmHg; II: sPAP 40–59 mmHg; III: sPAP 60 mmHg; Log-rank test I vs. II: p = 0.123; I vs. III: p = 0.007; II vs. III: p = 0.154.
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