Fig. 3From: The original and two new derivative versions of the COMPERA 2.0 risk assessment model: useful tools for guiding balloon pulmonary angioplastyKaplan–Meier survival curves based on the baseline risk score. A, B The original COMPERA 2.0 models. C, D The modified COMPERA 2.0 models. E, F Using the modified COMPERA 2.0 risk score to further dichotomize patients with intermediate-low and intermediate-high risk in the original version. G, H The hybrid COMPERA 2.0 modelsBack to article page