Table 2.

Univariate predictors of V̇o2 peak

ParameterPartial rP
k−0.75<0.001
NYHA Class−0.67<0.001
E/A ratio−0.56<0.001
Epeak−0.48<0.001
Apeak0.50<0.01
HRpeak0.47<0.01
LVEF0.44<0.01
Resting SBP0.30<0.05
E-wave duration0.28<0.05
DT0.250.06
Age0.220.08
HRseated0.170.15
DD0.110.25
BMI0.110.25
AT0.100.27
xo0.080.31
c0.020.44
Multivariate analysis
Independent nonexercise predictorsMultiple r2P
k0.55<0.0001
NYHA Class0.59<0.0001
  • NYHA, New York Heart Association; DD, diastolic duration; xo, initial displacement; c, clamping constant.