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Transvalvular gradients before and after the procedure in the propensity score–matched pairs
| Femoral access | Carotid access | P value | |
|---|---|---|---|
| Preoperative transvalvular gradient pressure, mm Hg | 42.5 (13.3) | 48.6 (13.5) | <.01 |
| Postoperative transvalvular gradient pressure, mm Hg | 8.7 (4.0) | 9.6 (4.1) | <.01 |
Values are expressed as mean and standard deviation. P values are from the Wilcoxon test.
