Table 2: Ventilatory Changes in Class II & III CHF Patients.
| VO2max | VE/VCO2@AT | RCP | |
| DR | -1.4 ± 8.5 | 4.9 ± -6.4 | 5.8 ± 9.8 | 
| PL | -7.8 ± 7.3 | -6.9 ± 9.1 | -1.4 ± 8.5 | 
| Note: | |||
| RCP = Respiratory compensation point | |||
| VE/VCO2 = Ventilatory efficiency | |||
| VO2max = Maximal oxygen consumption PL = Placebo  | 
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Adapted from Carter, et al. [41].