Comparison of ROC curves for MACE between the VE/VCO 2 slope and %pred peak VO 2 revealed that the VE/VCO 2 slope tended to have higher AUC, although the difference did not reach statistical significance (VE/VCO 2 slope: AUC 0.79 vs %pred peak VO 2 : AUC 0.69; 95% CI, −0.003 to 0.198, P = 0.058).
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Prognostic value of cardiopulmonary exercise testing parameters in young heart failure patients with moderately reduced exercise capacity.
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