Table 2 Association between wMRT and exercise capacity

From: Oxygen kinetics during 6-minute walk tests in patients with cardiovascular and pulmonary disease

	VO_2SS(ml/min)			6MWD (m)			MRT (min)
	β	p	R²	β	p	R²	β	p	R²
COPD	-399.8	<0.001	0.411	199.7	0.007	0.086	0.40	<0.001	0.31
Restrictive	-479.3	<0.001	0.443	503.5	<0.001	0.299	0.35	0.005	0.19
PAH	-425.9	<0.001	0.608	236.5	<0.001	0.208	0.20	0.032	0.09
CHF	-276.7	0.074	0.122	528.7	0.004	0.282	0.31	0.039	0.16

Univariate regression is expressed as β and R². VO_2SS = oxygen uptake; 6MWD = 6-minute walk distance; MRT: mean response time; wMRT: mean response time corrected for work rate.

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