Table 2.

Final Multivariable model for prediction of peak V02 (listed in order of R²)

Variable	Parameter Estimate	P-value	Partial R-square
ln NT-proBNP	-1.15	<0.0001	0.129
BMI	−0.02	<0.0001	0.125
Age	−0.10	<0.0001	0.086
Sex	−2.17	<0.0001	0.075
Race	--	<0.0001	0.058
NYHA class   (II vs. III/IV)	−1.61	<0.0001	0.048
CPX mode	2.35	<0.0001	0.029
PVD	−1.86	<0.0001	0.020
ECG ventricular conduction	--	0.0002	0.017
Diabetes mellitus	−0.64	0.0020	0.007
Region	--	0.0017	0.002
LVEF	0.02	0.15	0.0016

Reference categories: sex = male, NYHA Class = Class II, CPX mode = bicycle