Parameter | Healthy controls | Cohort A Fontan | Cohort B Fontan |
Peak VO2 (mL/kg/min) | 36.0±10.3 | 25.1±7.1* | 20.9±7.1* |
O2 pulsePEAK (mL/beat) | 13.2±4.1 | 9.8±2.2* | 9.3±2.9* |
O2 pulseAT (mL/beat) | 10.9±3.5 | 8.4±1.8* | 8.7±2.8* |
O2 pulse slopePEAK | 0.01±0.005 | 0.008±0.003* | 0.009±0.005* |
O2 pulse slopeAT | 0.01±0.006 | 0.01±0.004* | 0.01±0.0005† |
*Compared with healthy controls, p<0.01.
†Compared with healthy controls, not statistically significant (p>0.05).
AT, anaerobic threshold.