Table 2.

Spearman correlation coefficients between PAC (=pulmonary arterial capacitance) and PVR (=pulmonary vascular resistance) on one hand and various clinical, hemodynamic and echocardiographic variables on the other.

	PAC		PVR
	Correlation coefficient	p-value	Correlation coefficient	p-value
Baseline Clinical Data
Age (years)	−0.21	<0.0001	0.16	<0.0001
Body Mass Index (kg/m2)	0.20	<0.0001	−0.15	<0.0001
NYHA class	−0.24	<0.0001	0.12	0.0009
Hemodynamic Data
Heart Rate (bpm)	−0.22	<0.0001	0.09	0.01
Mean arterial pressure (mmHg)	−0.09	0.019	0.05	0.16
Mean RA pressure (mmHg)	−0.51	<0.0001	0.31	<0.0001
Mean PA pressure (mmHg)	−0.81	<0.0001	0.62	<0.0001
Pulse Pressure (mmHg)	−0.84	<0.0001	0.53	<0.0001
PCWP (mmHg)	−0.73	<0.0001	0.31	<0.0001
Transpulmonary gradient (mmHg)	−0.44	<0.0001	0.88	<0.0001
Fick Cardiac index (L/min/m2)	0.55	<0.0001	−0.40	<0.0001
Stroke Volume	0.67	<0.0001	−0.45	<0.0001
PAC (ml/mmHg)			−0.64	<0.0001
PVR (dynes*s*cm−5)	−0.64	<0.0001
SVR (dynes*s*cm−5)	−0.49	<0.0001	0.42	<0.0001
RVSWI (mL*mmHg/m2)	−0.25	<0.0001	0.30	<0.0001
Echocardiographic Data
LV ejection fraction (%)	0.29	<0.0001	−0.19	<0.0001
LV end-diastolic diameter (mm)	−0.10	0.014	0.04	0.31
RV systolic dysfunction class	−0.46	<0.0001	0.32	<0.0001
Mitral regurgitation severity	−0.19	<0.0001	0.19	<0.0001
Tricuspid regurgitation severity	−0.37	<0.0001	0.25	<0.0001
Laboratory Data
eGFR (mL/min/m2, n=664)	0.17	<0.0001	−0.12	0.002
BNP (pg/mL, n= 207)	−0.57	<0.0001	0.35	<0.0001
Hemoglobin (g/dL, n=667)	0.13	0.0007	−0.03	0.39

Abbreviations as in Table 1.