. Author manuscript; available in PMC: 2016 Jul 15.

Published in final edited form as: J Heart Lung Transplant. 2013 Apr 6;32(6):603–608. doi: 10.1016/j.healun.2013.03.004

Table 3.

Pearson’s Correlations for Variables Associated With Right Ventricular Stroke Work Index

Variable	RVSWI

	r	p-value
Lung allocation score	0.251	0.007
CPET variables
Peak Pet_CO₂	−0.348	0.001
V_E/V_CO₂	0.275	0.008
Peak Sp_O₂	−0.259	0.013
Echocardiograph variables
IVSTD	0.319	0.001
RVEDd	0.235	0.019
RVFAC	−0.248	0.013
Estimated PA	0.382	<0.001
RVWTD	0.324	0.001
Mean PAP	0.414	<0.001

CPET, cardiopulmonary exercise testing; Estimated PA, estimated pulmonary artery pressure; IVSTD, interventricular septum wall thickness in diastole; PAP, pulmonary arterial pressure; Pet_CO₂, pressure of end-tidal carbon dioxide; RVEDd, right ventricular end-diastolic diameter; RVFAC, right ventricular fractional area change; RVSWI, right ventricular stroke work index; RVWTD, right ventricular wall thickness in diastole; Sp_O₂, oxygen saturation; V_CO₂, rate of carbon dioxide production; V_E, minute ventilation.