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Table 7 Univariate and multivariate linear regression analysis of variables associated with free wall 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 0.24 0.04 - ns
Log BNP 0.38 <0.01 - ns
BNP ≥100 pg/ml 0.23 0.06 - ns
BNP ≥500 pg/ml 0.40 <0.01 0.28 0.02
MI ≥1 year 0.23 0.06 - ns
PVR 0.30 0.01 - ns
LV mass index 0.28 0.02 - ns
LV PSS (L: 4-chamber) 0.45 <0.01 0.26 0.03
Infarction in the LAD territory −0.11 0.37   
Infarction in the LC territory 0.31 <0.01 0.26 0.01
Infarction in the RCA territory 0.13 0.29   
Multi-vessel infarction 0.13 0.29   
Residual total occlusion in the culprit LAD −0.11 0.37   
Residual total occlusion in the culprit LC 0.13 0.28   
Residual total occlusion in the culprit RCA 0.36 <0.01 - ns
  1. RV right ventricular, PSS peak systolic strain, BNP brain natriuretic peptide, MI myocardial infarction, LV left ventricular, L longitudinal, LC left circumflex artery, RCA right coronary artery.