Table 3.

—Univariate and Multiple Linear Regression Comparisons Between Invasive Hemodynamics and Echocardiographic PA Systolic Pressure

	Univariate Linear Regression		Multiple Linear Regressiona
Measure	PASP	P Value	PASP	P Value
sPAP	0.42	.009	0.16	.23
mPAP	0.33	.04	0.01	.91
dPAP	0.35	.03	0.16	.34
PVR	0.49	.002	0.34	.02

See Table 1 and 2 legends for expansion of abbreviations.

^aVariables in the multiple linear regression model: PASP, age, race, sex, BMI, resting oxygen saturation, sleep apnea, congestive heart failure, and diabetes mellitus.