Table 3– Haemodynamic data at the time of pulmonary hypertension diagnosis

Variable	Patients
Mean PAP, mmHg	20	32±6 (25–51)
Diastolic PAP, mmHg	19	22±5 (12–30)
Systolic PAP, mmHg	19	48±11 (38–84)
Cardiac output, L·min⁻¹	20	5.4±1.9 (3.1–9.5)
Cardiac index, L·min⁻¹·m⁻²	20	3.4±1.1 (2.1–5.7)
PVR dyn·s·cm⁻⁵	20	376±184 (118–776)
PVR index dyn·s·cm⁻⁵·m⁻²	20	572±307 (190–1433)
Right atrial pressure mmHg	19	7±3 (0–12)
Capillary wedge pressure mmHg	19	10±3 (4–15)
S_v,O₂ %	12	69±7 (59–80)

Data are presented as n or mean±sd (range). PAP: pulmonary arterial pressure; PVR: pulmonary vascular resistance; S_v,O₂: mixed venous oxygen saturation.