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. 2017 Jan 16;10(1):e005207. doi: 10.1161/CIRCIMAGING.116.005207

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© 2017 The Authors.

Circulation: Cardiovascular Imaging is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.

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Figure 5. — Linear regression between the reference mean transvalvular pressure drop (TPD) from 4D flow cardiovascular magnetic resonance (CMR) data using the work–energy relative pressure (WERP) formulation against the mean TPD estimated using the simplified Bernoulli (SB; black) and simplified advective WERP (SAW; gray) formulations in the 2 groups of patients. Case-specific values for subjects in group I (circles) and group II (squares), regressions for the estimation methods (solid lines), and identity line (dashed gray line).