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. Author manuscript; available in PMC: 2021 Jul 27.
Published in final edited form as: Med Eng Phys. 2020 Jan 31;77:10–18. doi: 10.1016/j.medengphy.2020.01.005

Fig. 3.

Fig. 3.

(A) Piece-wise least-squares linear regression fit of regurgitant fraction (with respect to baseline regurgitation) versus percent annular dilation: G = 0 when d < 25.6; G = 2.5*d – 64 when d ≥ 25.6 (R2 = 0.90), where d is the percent dilation and G is the regurgitant fraction increase from baseline. (B) Composites of primary and secondary chordal forces (with respect to baseline forces) versus percent annular dilation. Least-squares linear regression fit with annular dilation lower than the 25.6% dilation threshold: equation.