CT-angiography-based evaluation of the aortic annulus for prosthesis sizing in transcatheter aortic valve implantation (TAVI)-predictive value and optimal thresholds for major anatomic parameters.

For the Edwards Sapien XT valve, differences in predictive value between the different parameters also did not reach statistical significance (multi-class AUC’s: 0.83, 0.80, 0.88, 0.88, 0.89, p>0.05, Appendix S4 ).

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