Fig. 4From: Non-invasive evaluation of pulmonary arterial blood flow and wall shear stress in pulmonary arterial hypertension with 3D phase contrast magnetic resonance imagingScatter plot diagrams and regression analysis for correlation of right ventricular systolic function and vortex formation time in PAH patients. a Correlation between the right ventricular ejection fraction and the vortex formation time (model equation, RVEF = 75.1 + (−85.7)·VFT, p = 0.003). b Correlation between the right ventricular end systolic volume and the vortex formation time (model equation, RVESV = 12.4 + 181.8·VFT, p = 0.037). c Correlation between the right ventricular end systolic volume index and the vortex formation time (model equation, RVESVI = 10.6 + 114.8·VFT, p = 0.038)Back to article page