Table 2. Univariate analysis of selected baseline variables.

	Hazard Ratio (95% CI)	P Value
Male gender	1.292 (0.501–3.334)	0.596
Age (years)	1.045 (1.011–1.079)	0.008
NYHA functional class
II	0.468 (0.052–4.187)	0.497
III	0.903 (0.109–7.499)	0.924
IV	1.554 (0.187–12.919)	0.683
Hemodynamics
mPAP (mmHg)	0.995 (0.957–1.033)	0.779
CO (L/min)	0.393 (0.195–0.794)	0.009
PVR (WU)	1.053 (0.959–1.155)	0.280
BNP (pg/dL)	1.001 (1.000–1.003)	0.026
6MWD (m)	0.997 (0.992–1.003)	0.377
Pre-PTE targeted therapy	0.640 (0.210–1.943)	0.431