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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: J Am Soc Echocardiogr. 2016 Jun 11;29(9):861–870. doi: 10.1016/j.echo.2016.05.002

Table 5.

Multivariable Regression for Right Ventricular Chamber Volume

A. RV End-Diastolic Volume
Correlation Coefficient =0.80; p<0.001
Variable Regression Coefficient
(95% Confidence Interval)		 P Partial
Correlation
Basal RV width (mm) 1.96 (1.22 – 2.70) <0.001 0.31
RV length (mm) 0.97 (0.56 – 1.37) <0.001 0.28
Proximal RVOT width (mm) 2.62 (1.79 – 3.44) <0.001 0.36
Distal RVOT width (mm) 0.56 (−0.19– 1.30) 0.14 0.09
B. RV End-Systolic Volume
Correlation Coefficient =0.79; p<0.001
Variable Regression Coefficient
(95% Confidence Interval)		 P Partial
Correlation
Basal RV width (mm) 1.59 (1.06 – 2.13) <0.001 0.34
RV length (mm) 1.00 (0.66 – 1.34) <0.001 0.34
Proximal RVOT width (mm) 1.80 (1.22 – 2.39) <0.001 0.35
Distal RVOT width (mm) 0.60 (−0.07 – 1.27) 0.08 0.11