TABLE 4

Univariate and multivariate Cox proportional hazards regression analysis

	Univariate			Adjustment for age and sex			Adjustment for age, sex and mPAP
	B value	Hazard ratio	p-value	B value	Hazard ratio	p-value	B value	Hazard ratio	p-value
Age	0.03	1.03	0.02	0.03	1.03	0.01	0.02	1.02	0.07
Sex	−0.45	0.63	0.09	−0.49	0.61	0.01	−0.16	0.85	0.58
mPAP	0.05	1.05	<0.01	0.05	1.05	<0.01	0.05	1.05	<0.01
PVR	0.003	1.003	<0.01	0.003	1.003	<0.01	0.003	1.003	<0.01
Pulmonary vessels <0.8 mm	−0.05	0.95	0.02	−0.09	0.92	0.03	−0.04	0.96	0.37
Pulmonary vessels <1.2 mm	−0.03	0.97	0.03	−0.04	0.96	0.03	−0.02	0.98	0.30
Pulmonary vessels <1.6 mm	−0.01	0.98	0.03	−0.03	0.97	0.05	−0.01	0.98	0.35

mPAP: mean pulmonary arterial pressure; PVR: pulmonary vascular resistance.