Figure 3

Post-operative transvalvular gradients in patients with aortic stenosis operated before January 2013.A) Maximum transvalvular gradients at one year after the operation for patients in the stentless compared in the pericardial stented group. B) Mean transvalvular gradients at one year after the operation for patients in the stentless compared in the pericardial stented group. Blocks are means and bars are SD values. ****indicates p < 0.0001.