Table 4.

Association of PA:A ratio and hemodynamics (entire cohort; n=88)

Hemodynamics	Univariate		Multivariate*
	r	P-value	β	P-value
PASP (echo)	0.55	<0.0001	0.004	<0.001
PASP (cath)	0.62	0.006	0.004	0.04
Pulmonary artery diastolic pressure	0.50	0.04	0.007	0.13
Mean pulmonary artery pressure	0.56	0.01	0.005	0.07
Pulmonary arterial wedge pressure	0.17	0.5
Pulmonary vascular resistance	0.46	0.056	0.018	0.33
PAD-wedge gradient	0.47	0.05	0.006	0.25
Cardiac output	0.12	0.6

Note:

^*Covariates: age, sex, race, FEV₁, diastolic dysfunction.

Abbreviations: Cath, catheterization; FEV₁, forced expiratory volume in 1 second; PASP, pulmonary artery systolic pressure; echo, echocardiogram; PA:A, pulmonary artery: aorta; PAD, pulmonary artery diastolic.