Fig. 2
CMR-CPET Metrics at rest and peak-exercise for each subject group: Systemic Sclerosis (SSc); Systemic Sclerosis-associated Pulmonary Arterial Hypertension (SSc-PAH); Non-Connective Tissue Disease Pulmonary artery Hypertension (NC-PAH); Healthy controls. A Oxygen consumption indexed to weight (iVO2)*. B Cardiac output indexed to body surface area. C Arteriovenous oxygen gradient (∆avO2)*. Normally distributed data displayed as mean ± SD. *Denotes non-normally distributed data shown as median (range)