Fig. 2

Correlation. For regurgitant volume (RVol) (blue dots) and regurgitant fraction (RF) (red dots) between 2D-transthoracic echocardiographic (TTE) flow convergence method (PISA), standard cardiovascular magnetic resonance (CMR), and 4D flow CMR indirect and direct methods. Dashed line indicates linear regression and solid line, line of identity. Pearson correlations (r) are showed