Table 1 Patient characteristics at baseline
All (n = 33) | Pre-capillary PH (n = 21) | Post-capillary PH (n = 12) | p-value* | |
|---|---|---|---|---|
Age (years) | 68 ± 13 | 64 ± 15 | 72 ± 8 | 0.14 |
Female (%) | 55 | 57 | 50 | 0.52 |
Body mass index (kg/m2) | 28 ± 6 | 26 ± 5 | 31 ± 6 | 0.03 |
NYHA II/III/IV (n) | 2/29/2 | 2/18/1 | 0/11/1 | 0.31 |
6 min walking distance (m) | 315 ± 135 | 327 ± 147 | 289 ± 130 | 0.46 |
Right atrial pressure (mmHg) | 12 ± 4 | 11 ± 4 | 13 ± 4 | 0.2 |
Mean pulmonary artery pressure (mmHg) | 45 ± 11 | 46 ± 13 | 43 ± 9 | 0.46 |
Pulmonary arterial wedge pressure (mmHg) | 13 ± 5 | 10 ± 3 | 18 ± 3 | <0.001 |
Cardiac output (L/min) | 4.2 ± 1.3 | 4.1 ± 1.1 | 4.4 ± 1.7 | 0.49 |
Cardiac index (L/min/m2) | 2.2 ± 0.6 | 2.2 ± 0.4 | 2.3 ± 0.8 | 0.52 |
Stroke volume (ml) | 63 ± 19 | 62 ± 20 | 64 ± 17 | 0.77 |
Pulmonary vascular resistance (dyn · s · cm−5) | 660 ± 340 | 754 ± 367 | 495 ± 177 | 0.03 |
Peripheral oxygen saturation (%) | 93 ± 3 | 93 ± 3 | 94 ± 2 | 0.95 |
Mixed venous oxygen saturation (%) | 64 ± 6 | 63 ± 6 | 64 ± 6 | 0.21 |