Table 3: Ventilatory Efficiency in CHF Patients.

Ventilatory Efficiency
Pre-DR Post-DR
Class II, n = 8 29.4 ± 5.0 28.8 ± 4.9
Class III, n = 9 43.9 ± 4.8 38.5 ± 3.9*
Class IV, n = 6 60.4 ± 5.8 46.1 ± 6.8**
Note:
*p < 0.05
**p < 0.005

Adapted from Vijay, et al. [42].