Table 5.

ROC Curve Analysis for the Peak VO2 and VE/VCO2 Slope Classifications

Variables	Event	Number of Events	Area Under the ROC Curve	p	Sensibility %	Specificity %
VO2 peak	Cardiac mortality (1 y) Cardiac hospitalization (1 y)	28 66	0.892 0.827	0.0001 0.0001	89.3 66.7	79.6 86.6
VE/VCO2 slope	Cardiac mortality (1 y) Cardiac hospitalization (1 y)	28 66	0.891 0.888	0.0001 0.0001	89.3 78.8	84.7 94.1