Endurance-training in healthy men is associated with lesser exertional breathlessness that correlates with circulatory-muscular conditioning markers in a cross-sectional design

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Table 2 Univariate spearman analysis of conditioning marker correlates

Total n = 62	Age	IPAQ total	IPAQ walking	IPAQ moderate	IPAQ vigorous
ΔHR/Δ $\overset{•}{V}$ O₂	P = 0.703	P = 0.001	P = 0.281	P < 0.001	P = 0.005
Slope	Rho = -0.049	Rho = -0.426	Rho = -0.139	Rho = -0.453	Rho = -0.359
Peak O₂ pulse	P = 0.443	P < 0.001	P = 0.852	P = 0.011	P < 0.001
(% predicted)	Rho = 0.098	Rho = 0.628	Rho = 0.024	Rho = 0.325	Rho = 0.703
Ventilatory	P = 0.514	P < 0.001	P = 0.317	P = 0.072	P < 0.001
Threshold*	Rho = 0.084	Rho = 0.461	Rho = -0.128	Rho = 0.232	Rho = 0.584
Peak $\overset{•}{V}$ O₂	P = 0.510	P < 0.001	P = 0.723	P = 0.012	P < 0.001
(% predicted)	Rho = 0.086	Rho = 0.588	Rho = -0.045	Rho = 0.321	Rho = 0.663

The table describes the statistical correlations (Spearman coefficient: Rho and the P value of the test) between the conditioning markers (first column) and age or the different domains of IPAQ (different levels of physical activity).
*expressed as% of peak $\overset{•}{V}$ O₂ predicted.