Table 2.

Correlations of cardiac MRI measurements with mPAP and PVR in the study group (n = 81).

	mPAP		PVR
Measurement	r	p	r	p
Right ventricular mass, g/cm³, n = 62	0.70	< 0.001	0.60	< 0.001
VMI, n = 62	0.69	< 0.001	0.78	< 0.001
Systolic RV/LV area ratio	0.69	< 0.001	0.68	< 0.001
Diastolic RV/LV area ratio	0.64	< 0.001	0.64	< 0.001
Pulmonary artery distensibility, %, n = 51	−0.58	0.0011	−0.54	0.0012
RVRAC, %	−0.53	< 0.001	−0.56	< 0.001
TAPSE, cm	−0.55	< 0.001	−0.58	< 0.001
SFD, cm	−0.39	0.0019	−0.44	< 0.001
RVEF, ml	−0.44	< 0.001	0.50	< 0.001
RVESV, ml	0.40	< 0.001	0.43	< 0.001
RVEDV, ml	0.24	0.09	0.20	0.12
RVSV, ml	−0.37	0.0026	−0.41	< 0.001
Average pulmonary blood flow, n = 51	−0.25	0.129	0.39	0.014

RVEDV: right ventricle end diastolic volume; RVESV: right ventricle end systolic volume; RVSV: right ventricle stroke volume; RVEF: right ventricle ejection fraction; TAPSE: transverse annular systolic excursion; SFD: septal-free wall distance; RVRAC: right ventricle relative area change; VMI: ventricular mass index.