Subjects n | 75 | 23 | 52 | |
Haemodynamic characteristics | | | | |
Mean PAP mmHg | 53±12.7 | 46.4±12.1 | 56±11.9 | 0.002 |
Cardiac output L·min−1 | 4.8±1.6 | 5.1±1.7 | 4.7±1.6 | 0.27 |
Cardiac index L·min−1·m−2 | 2.74±0.84 | 2.69±0.64 | 2.74±0.91 | 0.75 |
PVR Wood unit | 10.3±5.5 | 7.7±3.5 | 11.5±5.8 | 0.006 |
RAP mmHg | 7.3±4.6 | 6.3±3.9 | 7.8±4.8 | 0.2 |
Cardiopulmonary exercise test parameters | | | | |
Work rate W | 67.8±29 | 53±16.7 | 73.8±30.8 | 0.005 |
Respiratory exchange ratio | 1.13±0.1 | 1.15±0.1 | 1.12±0.1 | 0.3 |
Maximum heart rate bpm | 142.4±18.9 | 135.6±16.8 | 145±19.2 | 0.06 |
Basal oxygen saturation % | 95.6±3.9 | 91.9±4.6 | 97.1±2.2 | <0.001 |
Minimun oxygen saturation % | 88.7±11.2 | 74.5±10.8 | 94.6±3.4 | <0.001 |
VO2 peak mL·min−1·kg−1 | 14.8±4.9 | 11.4±3.5 | 16.4±4.7 | <0.001 |
VO2 % predicted | 52.9±16.9 | 37.5±11.3 | 59.4±14.6 | <0.001 |
Pulse O2 mL | 7.1±2.3 | 5.8±1.8 | 7.5±2.3 | 0.004 |
VO2 at VT mL·min−1·kg−1 | 10±3.3 | 7.8±2.1 | 10.9±3.2 | <0.001 |
PETCO2 at VT mmHg | 27.6±5.2 | 23.3±3.9 | 29.2±4.8 | <0.001 |
EqCO2VT | 40.6±9.4 | 49.3±9.1 | 36.9±6.8 | <0.001 |
VE/VCO2 slope | 47.4±14.5 | 60.5±15.8 | 42.5±10.5 | <0.001 |