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Table 3 Bivariate correlation between potential predictors, cardiac function and myocardial strain parameters

From: Aortic stiffness as a marker of cardiac function and myocardial strain in patients undergoing aortic valve replacement

  Age Gender (male) DM Hypertension MAP AVMG (pre–op) CPB time PWV value PWV cut–off
Pre–operative
LV function 0.18 -0.19 -0.11 -0.38 ** -0.26 -0.13 -0.04 -0.12 -0.03
NYHA class 0.09 -0.05 0.18 -0.11 0.04 -0.14 -0.08 0.36 ** 0.50 **
BNP 0.27 -0.35 * -0.19 -0.07 -0.30 * 0.10 -0.00 0.21 0.34 *
Immediate post-operative
BNP (3 h post-CPB) 0.22 -0.34 * -0.23 -0.13 -0.20 -0.14 -0.15 0.09 0.26
BNP (18 h post-CPB) 0.24 -0.26 -0.29 * -0.01 0.03 -0.09 -0.04 0.24 0.32 *
Inotropes 0.24 -0.24 -0.11 -0.15 -0.06 -0.08 -0.14 0.35 * 0.18
Arrhythmia 0.24 0.13 -0.14 0.11 -0.20 0.04 -0.07 0.06 -0.12
Post–operative
LV function 0.07 0.10 0.23 -0.12 -0.11 -0.1 -0.08 -0.14 -0.06
NYHA class 0.03 -0.24 0.28 * 0.15 -0.12 -0.15 0.15 0.20 0.51 **
Leg edema -0.02 -0.13 0.02 0.05 0.08 -0.21 0.03 0.07 0.38 **
  1. Values are shown as correlation coefficients (r); bold values indicate statistically significant values; *Correlation is significant at the 0.05 level (2-tailed); **Correlation is significant at the 0.01 level (2-tailed). Abbreviations: DM diabetes mellitus, MAP mean arterial blood pressure, AVMG aortic valve mean gradient, CPB cardiopulmonary bypass, PWV pulse wave velocity, LV left ventricle, NYHA New York Heart Association Functional Classification, BNP B-type Natriuretic peptides.