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Table 6 Univariate and multivariate linear regression analysis of variables associated with global RV PSS

From: Quantifying longitudinal right ventricular dysfunction in patients with old myocardial infarction by using speckle-tracking strain echocardiography

  Univariate Multivariate
  Coefficients p Value β-coefficients p Value
Heart rate 0.29 0.02 - ns
Log BNP 0.43 <0.01 - ns
BNP ≥100 pg/ml 0.27 0.02 - ns
BNP ≥500 pg/ml 0.47 <0.01 0.25 0.02
MI ≥1 year 0.26 0.03 - ns
PVR 0.39 <0.01 - ns
LV mass index 0.29 0.01 - ns
LV PSS (L: 4-chamber) 0.54 <0.01 0.30 <0.01
Infarction in the LAD territory −0.06 0.61   
Infarction in the LC territory 0.30 0.01 - ns
Infarction in the RCA territory 0.19 0.12   
Multi-vessel infarction 0.24 0.04 - ns
Residual total occlusion in the culprit LAD −0.03 0.81 - ns
Residual total occlusion in the culprit LC 0.18 0.13   
Residual total occlusion in the culprit RCA 0.41 <0.01 0.26 0.01
  1. RV right ventricular, PSS peak systolic strain, BNP brain natriuretic peptide, MI myocardial infarction, LV, left ventricular, L longitudinal, LAD left anterior descending artery, LC left circumflex artery, RCA right coronary artery.