Table 2 Clinical data of PAH group

Idiopathic

21(75%)

Heritable

3(10.7%)

Drug and toxin-induced

1(3.6%)

Associated with

3(10.7%)

NYHA class n(%)

I

4(14%)

II

14(50%)

III

10(36%)

IV

0(0%)

Medications n(%)

Prostacyclin

6(21.4%)

PDE5i

4(14.3%)

ERA

4(14.3%)

Prostacyclin + PDE5i

4(14.3%)

Prsoatcyclin + ERA

2(7.15%)

ERA + PDE5i

2(7.15%)

Prostacyclin + PDE5i + ERA

6(21.4%)

6-MWD (m)

487±24

Right ventricular systolic pressure (mmHg)

78 ±5

Mean pulmonary arterial pressure (mmHg)

52±3

Mean pulmonary capillary wedge pressure (mmHg)

13±1

Cardiac output (L/min)

6±0.4

Cardiac index (L/min/m²)

3±0.2

Pulmonary vascular resistance (wood units)

7.8±0.9