Table 4.
Assessments of exercise capacity
| Martin et al. [71] | Warady et al. [70] | Baraldi et al. [69] | Rigden et al. [64] | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Modified Bruce | CMH Max/Balke | Not specified | Modified Bruce | ||||||||
| Protocol | A | B | A | Controls A | B | Controls B | A | B | Controls | A | B |
| VO2 (mL/kg/min) | 26.4 ± 4.1 | 25.1 ± 5.4 | 17.8 ± 5.2 | 40.8 ± 12.3 | 24.0 ± 7.6* | 42.0 ± 12.4 | 24.1 ± 7.1 | 32.6 ±12.7** | 44.7 ± 7.1 | ||
| VO2AT (mL/kg/min) | 13.1 ± 3.9 | 29.4 ± 6.3 | 17.1 ± 3.5* | 28.2 ± 8.4 | 17.6 ± 6.3 | 25.9 ± 8.1** | 31.4 ± 3.1 | ||||
| Treadmill time (min) | 10.3 | 12.1**** | 5.5 ± 1.3 | 8.7 ± 2.8 | 7.9 ± 1.5* | 9.4 ± 3.0 | 13.4 | 16.8*** | |||
A: initial evaluation; B: second evaluation; C: VO2AT, oxygen consumption at anaerobic threshold; VO2: peak oxygen consumption. *P < .05% patient versus control; **P < .05 B versus A; ***P < .02 B versus A; ****P = 0.001 B versus A.