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Table 2 Cardiopulmonary exercise testing

From: Differences of cardiac output measurements by open-circuit acetylene uptake in pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension: a cohort study

  All
n = 104
PAH
n = 72
CETPH
n = 32
p
W (watts) 57.7 ± 3.4 63.4 ± 4.4 44.0 ± 4.6 0.011
W (%) 51.0 ± 2.5 52.8 ± 2.9 43.8 ± 4.6 0.192
VO2 (ml/min) 1111 ± 43 1150 ± 55 1033 ± 69 0.513
VO2 (%) 62.9 ± 2.3 61.2 ± 2.9 66.1 ± 3.9 0.638
VO2 (ml/min/kg) 16.0 ± 0.6 16.7 ± 0.8 14.0 ± 0.9 0.044
AT (ml/min/kg) 10.4 ± 0.4 11.0 ± 0.5 9.1 ± 0.6 0.019
O2 pulse (ml/min/beat) 9.3 ± 0.3 8.9 ± 0.3 10.1 ± 0.6 0.137
Ve (L/min) 61.4 ± 2.0 63.3 ± 2.6 63.3 ± 2.6 0.416
Ve/VO2 41.2 ± 1.0 40.8 ± 1.3 42.3 ± 1.4 0.299
Ve/VCO2 48.3 ± 1.0 47.1 ± 1.3 51.7 ± 1.4 0.036
AaDO2 (mmHg) 50.7 ± 1.3 50.4 ± 1.7 51.5 ± 1.6 0.775
Vd/Vt (%) 35.8 ± 1.2 32.2 ± 1.4 44.5 ± 1.6 < 0.001
a-et CO2 (mmHg) 5.74 ± 0.5 4.1 ± 0.5 9.9 ± 0.8 < 0.001
Ve/VCO2 slope 49.6 ± 1.6 48.6 ± 2.0 53.2 ± 2.3 0.145
RER 1.08 ± 0.01 1.09 ± 0.01 1.05 ± 0.02 0.143
  1. Data are shown as means ± SEM.