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Table 5 Multiple linear regression to identify predictors of the myocardial strain biomarker BNP

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

Predictors BNP (pre-op.)A BNP (3 h post-CPB)A BNP (18 h post-CPB)A
Model 1
PWV value 0.06 0.11 0.18
(0.72) (0.51) (0.29)
Age 0.26 0.29 0.01
(0.11) (0.09) (0.95)
Gender (male) -0.20 -0.38 -0.12
(0.15) (0.0.1) (0.43)
MAP -0.36   
(0.01)
DM    -0.30
(0.05)
Model 2
PWV cut-off 0.20 0.09 0.32
(PWV-high) (0.14) (0.51) (0.03)
Age 0.27 0.21 0.06
(0.05) (0.14) (0.65)
Gender (male) -0.17 -0.34 -0.09
(0.22) (0.02) (0.51)
MAP -0.35   
(0.01)
DM    -0.33
(0.03)
  1. Values are shown as beta (P-value), bold values indicate statistical significance; ALog transformation. Model 1 includes PWV value as a continuous predictor; Model 2 includes PWV cut-off as a dichotomous predictor. Abbreviations: DM diabetes mellitus, MAP mean arterial blood pressure, PWV pulse wave velocity, BNP B-type natriuretic peptides.