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. 2019 May;8(3):351–361. doi: 10.21037/acs.2019.05.03

Table 2. Pressure-related correlations of area expansion at each level of the aortic root during IVC and ejection.

Variable    IVC    Ejection
   LV pressure    Ao pressure    LV pressure    Ao pressure
AA    −0.49 (−0.92–0.51)    0.72 (0.33–0.96)    0.68 (0.53–0.94)    0.94 (−0.88–0.99)*
STJ    0.14 (−0.93–0.94)    0.14 (−0.63–0.72)    0.93 (0.83–0.97)*    0.86 (0.65–0.98)*
C    0.95 (0.86–0.99)*    −0.38 (−0.91–0.53)    0.95 (0.84–0.99)*    0.80 (0.63–0.93)
B    0.95 (0.88–0.98)*    −0.44 (−0.96–0.53)    0.91 (0.79–0.98)*    0.52 (0.3– 0.78)

*, significant correlation. IVC, isovolumic contraction; LV, left ventricular; Ao, aortic; AA, ascending aorta; STJ, sinotubular junction; C, commissures; B, annular base.