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Table 4 Multivariate linear regression analysis results of 3D PISA EROA

From: Three-dimensional transthoracic echocardiographic evaluation of tricuspid regurgitation severity using proximal isovelocity surface area: comparison with volumetric method

Variable B Std.
Error
Beta t P VIF
Etiology(primary/ secondary) −0.162 0.089 −0.127 −1.826 0.071 1.103
Sex(male/female) −0.111 0.092 −0.085 −1.207 0.231 1.135
Atrial fibrillation (with/without) −0.002 0.092 −0.001 − 0.018 0.986 1.151
TR jet location (eccentric/centric) 0.014 0.095 0.010 0.144 0.885 1.155
VCW −0.291 0.104 −0.230 −2.802 < 0.01 1.535
PISA radius −1.162 0.210 −0.402 −5.539 < 0.01 1.199
TR VTI −0.467 0.357 0.179 1.308 0.194 4.286
TR Vmax −0.464 0.133 −0.460 −3.477 < 0.01 3.981
Hepatic vein systolic reversal (with/ Without) −0.308 0.107 −0.229 −2.862 < 0.01 1.459
Dilated right ventricle with preserved function (with/without) 0.011 0.099 0.009 0.110 0.913 1.384
  1. TR tricuspid regurgitation, VCW vena contracta width, PISA proximal isovelocity surface area, VTI velocity-time integral, Vmax maximum velocity