Fig. 3From: Pulmonary rehabilitation, physical activity and aortic stiffness in COPDScatter plots demonstrating correlations between absolute ∆aPWV and ∆ISWT after completing PR (a – rho = − 0.32, p = 0.020) and between ∆aPWV% and average PA during the six weeks PR (b – rho = − 0.30, p = 0.042)Back to article page