Fig. 5From: MRI assessment of aortic flow in patients with pulmonary arterial hypertension in response to exerciseDistribution of aortic wall stiffness as calculated with the relative area change method in the ascending aorta. Blue indicates young controls, green indicates older controls, and red represents PH subjects. A bracket between two boxplots indicates a statistically significant (p < 0.05) difference between the two groups of measurementsBack to article page