Figure 5. Effects of continuous exercise (CET) and interval exercise training (IET) on indices of ventilatory efficiency in coronary artery disease patients. Panel A, Ventilation to carbon dioxide production relationship (VE/VCO2) at ventilatory anaerobic threshold (VAT); Panel B, End-tidal CO2 pressure (PETCO2) at VAT. Pre: pre-intervention; Post: post-intervention. *P<0.05 vs pre-intervention. Adapted from reference (6).
