Table 3.
Comparison of energy consumption
| 6MWT |
30MWT |
|||||
|---|---|---|---|---|---|---|
| KAFO gait | ReWalk gait | p-value | KAFO gait | ReWalk gait | p-value | |
| HR | 129.1±19.1 | 112.5±13.6 | 0.021* | 143.9±14.6 | 118.6±14.6 | 0.001* |
| HRmax | 145.3±19.3 | 124.8±16.1 | 0.006* | 160.5±17.5 | 131.9±19.3 | 0.001* |
| PCI | 5.6±3.2 | 4.7±1.4 | 0.425 | 8.3±3.3 | 5.7±1.8 | 0.067 |
| VO2 (mL/kg/min) | 11.8±1.8 | 9.0±2.1 | 0.001* | 12.2±2.7 | 8.8±1.8 | 0.001* |
| VO2max (mL/kg/min) | 22.3±5.1 | 19.3±6.8 | 0.043* | 34.1±23.8 | 23.2±7.4 | 0.125 |
| METs | 3.4±0.5 | 2.6±0.6 | 0.001* | 3.6±0.7 | 2.5±0.5 | 0.000* |
| EE (kcal/min) | 3.9±0.6 | 3.0±0.8 | 0.004* | 4.0±1.0 | 2.9±0.7 | 0.004* |
Values are presented as mean±standard deviation.
6MWT, 6-minute walking test; 30MWT, 30-minute walking test; KAFO, knee-ankle-foot orthosis; EE, energy expenditure, HR, heart rate; HRmax, maximal heart rate; PCI, Physiological Cost Index; METs, metabolic equivalents; VO2, oxygen consumption; VO2max, maximal oxygen consumption.
*
p<0.05.