| PAH | CHF | p-value | Normal limits |
Peak WR W | 53±5 | 73±6 | <0.05 | 129–241 |
% pred | 36±4 | 42±3 | ns | 80–120 |
Peak V'O2 mL·kg−1·min−1 | 10.1±0.6 | 12.8±0.8 | <0.01 | 23–32 |
% pred | 40±3 | 44±3 | ns | 80–120 |
AT mL·kg−1·min−1 | 7.9±0.5 | 9.2±0.6 | ns | 12–17 |
% pred | 57±4 | 58±3 | ns | 80–120 |
% peak V'O2 | 74±3 | 71±3 | ns | 45–65 |
% pred peak V'O2 | 31±2 | 32±2 | ns | |
Peak O2 pulse mL·beat−1 | 5.9±0.4 | 8.7±0.5 | <0.001 | 9.1–16.5 |
% pred | 53±4 | 64±4 | <0.05 | 80–120 |
Peak RER | 1.15±0.02 | 1.19±0.02 | ns | 1.15–1.25 |
V'E L·min−1 | | | | |
Resting | 14.3±1.0 | 11.4±0.8 | <0.03 | 4.8–7.2 |
Peak | 55±5 | 55±3 | ns | 70–108 |
Peak fc beats·min−1 | 131±5 | 115±5 | 0.06 | 150–178 |
V'E/V'CO2 | | | | |
Resting | 59±2 | 49±3 | <0.01 | 33–35 |
AT | 58±3 | 44±3 | <0.01 | 26–30 |
Peak | 69±4 | 48±3 | <0.001 | 35–40 |
ΔV'O2/ΔWR above AT mL·min−1·W−1 | 5.3±2.3 | 8.4±3.8 | <0.02 | 9–11 |
fc recovery beats·min−1 | 11±2 | 10±2 | ns | >12 |