Table I.
Characteristics of the study group (IPAH patients, n = 61)
| Parameter | Value |
|---|---|
| Age [years] | 50.0 ±17.1 |
| Female sex, n (%) | 40 (66%) |
| WHO-FC, n (%): | |
| II | 5 (8) |
| III | 42 (69) |
| IV | 14 (23) |
| NT-proBNP [pg/ml] | 2405.0 ±3370.9 |
| 6-MWD [m] | 336.3 ±117 |
| CI [l/min/m2] | 1.86 ±0.59 |
| RAP [mm Hg] | 8.0 ±5.2 |
| mPAP [mm Hg] | 51.2 ±18.2 |
| PVR [WU] | 15.3 ±9.7 |
| SvO2 (%) | 57.8 ±11.4 |
6-MWD – 6-minute walk distance, CI – cardiac index, IPAH – idiopathic pulmonary arterial hypertension, NT-proBNP – N-terminal pro-brain natriuretic peptide, mPAP – mean pulmonary artery pressure, PVR – pulmonary vascular resistance, RAP – right atrial pressure, SvO2 – mixed venous oxygen saturation, WHO-FC – WHO functional class.