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Table 1 Correlation coefficients of right ventricular function parameters between CMRI, CUS,M DCT and RHC.

From: Assessing right ventricular function in patients with pulmonary hypertension based on noninvasive measurements: correlation between cardiac MRI, ultrasonic cardiogram, multidetector CT and right heart catheterization

  6MWD   RHC-SV   RCWI   RVSWI  
  r P r P r P r P
MRI-SV(n=31) 0.073 0.713 0.457 0.010 0.322 0.077 0.324 0.075
MRI-EF 0.473 0.011 0.557 0.001 0.389 0.031 0.307 0.093
MRI-VMI -0.472 0.011 -0.444 0.012 -0.259 0.159 -0.173 0.351
US-SV(n=28) -0.268 0.186 0.016 0.937 -0.201 0.305 -0.071 0.718
US-EF -0.019 0.923 0.406 0.026 0.015 0.939 0.023 0.905
US-Tei -0.175 0.448 -0.480 0.024 -0.387 0.075 -0.419 0.042
US-RVFAC 0.046 0.822 0.385 0.043 0.289 0.136 0.199 0.311
CT-RVd(n=25) -0.373 0.079 -0.502 0.011 -0.486 0.014 -0.468 0.018
CT-RVa -0.351 0.109 -0.488 0.016 -0.342 0.102 -0.362 0.082
CT-Cobb angle -0.569 0.004 -0.503 0.003 -0.430 0.025 -0.395 0.041
CT-RVWT -0.098 0.666 -0.279 0.186 -0.024 0.911 0.023 0.914
  1. 6MWD, 6-min walking distance; EF, ejection fraction; VMI, ventricular mass index; RCWI, right cadiac work index; RHC, right heart catheterization; RVa, right ventricular diastole maximum area; RVd, right ventricular internal diameter; RVFAC, right ventricular fractional area change; RVSWI, right ventricular stroke work index; RVWT, right ventricular free wall thickness; SV, stroke volume; Tei, Tie index; P<0.05.