Table 1 Characteristics, haemodynamics and Cardiopulmonary exercise parameters at baseline of the overall group (n = 116) and between patients with PAH (n = 85) and those with CTEPH (n = 31)
From: Ventilatory efficiency testing as prognostic value in patients with pulmonary hypertension
| Â | Overall | PAH | CTEPH | p |
|---|---|---|---|---|
|  | (n = 116) | (n = 85) | (n = 31) |  |
Age (years) | 61.5 ± 1.5 | 59.9 ± 1.9 | 66.4 ± 2.0 | p = 0.064 |
Sex (% female) | 66 | 70 | 55 | ns |
BMI (kg/m2) | 25.8 ± 0.5 | 25.7 ± 0.6 | 26.2 ± 0.7 | ns |
PAP, mmHg | 39.9 ± 2.5 | 40.5 ± 1.7 | 38.3 ± 3.1 | ns |
CI, L*min-1*m-2 | 2.48 ± 0.07 | 2.58 ± 0.08 | 2.22 ± 0.11 | p = 0.021 |
PVR, dynes * s * cm-5 | 648.2 ± 40.2 | 647.9 ± 45.1 | 648.9 ± 87.5ns |  |
RAP, mmHg | 7.28 ± 0.49 | 7.01 ± 0.56 | 8.07 ± 1.00 | ns |
W, watts | 56.2 ± 3.1 | 55.2 ± 3.7 | 59.1 ± 5.5 | ns |
VO2, ml/min/kg | 14.4 ± 0.7 | 14.5 ± 0.8 | 14.1 ± 1.2 | ns |
AT, ml/min/kg | 9.53 ± 0.40 | 9.56 ± 0.48 | 9.45 ± 0.72 | ns |
O2 pulse, ml/min/beat | 8.98 ± 0.36 | 8.71 ± 0.40 | 9.72 ± 0.81 | ns |
Ve/VO2 - AT | 41.1 ± 1.1 | 40.9 ± 1.2 | 41.8 ± 2.3 | ns |
Ve/VCO2 - AT | 47.2 ± 1.1 | 47.0 ± 1.2 | 47.8 ± 2.5 | ns |
AaDO2 (peak exercise) | mmHg 49.3 ± 1.6 | 51.6 ± 1.9 | 43.2 ± 2.9 | p = 0.019 |
a-et CO2, mmHg | 5.7 ± 0.5 | 5.2 ± 0.5 | 7.0 ± 1.0 | ns |
Ve/VCO2 slope | 46.9 ± 2.0 | 46.6 ± 2.3 | 47.9 ± 3.9 | ns |