Table 2—

Multivariate Cox proportional hazard analysis relating survival time to selected variables potentially linked to outcome

VariablesHazard ratio (95% confidence interval)p-value
6-min walk distance0.998 (0.992–1.005)0.557
Right atrial pressure1.070 (0.940–1.218)0.305
MELD score0.473 (0.073–3.060)0.432
Iloprost versus bosentan6.103 (1.039–35.859)0.045
  • The Model End-stage Liver Disease (MELD) score is a disease severity score in patients with cirrhosis (see text for details). Right atrial pressure and 6-min walk distance were input as continuous variables, whereas MELD score and medication were input as categorical variables.