Table 2.
Confusion Matrix (Mean ± SEM) for Seven Able-bodied Subjects in Steady Locomotion Periods (%).
| Estimated Mode | |||||||
|---|---|---|---|---|---|---|---|
|
| |||||||
| Phase | Targeted Mode | Stand | Walk | Stair Ascent | Stair Descent | Ramp Ascent | Ramp Descent |
| DS1 | Stand | 99.96 ± 0.03 | 0.00 ± 0.00 | 0.00 0.00 | 0.00 ± 0.00 | 0.03 ± 0.03 | 0.00 ± 0.00 |
| Walk | 0.00 ± 0.00 | 98.99 ± 0.29 | 0.00 ± 0.00 | 0.20 ± 0.13 | 0.02 ± 0.02 | 0.78 ± 0.27 | |
| Stair Ascent | 0.00 ± 0.00 | 0.00 ± 0.00 | 99.53 ± 0.18 | 0.00 ± 0.00 | 0.47 ± 0.18 | 0.00 ± 0.00 | |
| Stair Descent | 0.10 ± 0.10 | 0.30 ± 0.21 | 0.00 ± 0.00 | 99.50 ± 0.24 | 0.00 ± 0.00 | 0.09 ± 0.07 | |
| Ramp Ascent | 0.00 ± 0.00 | 0.01 ± 0.01 | 0.84 ± 0.24 | 0.00 ± 0.00 | 99.15 ± 0.18 | 0.00 ± 0.00 | |
| Ramp Descent | 0.00 ± 0.00 | 0.10 ± 0.05 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 99.90 ± 0.05 | |
|
| |||||||
| SS | Stand | 99.76 ± 0.07 | 0.24 ± 0.07 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| Walk | 0.22 ± 0.19 | 99.35 ± 0.16 | 0.15 ± 0.05 | 0.24 ± 0.05 | 0.00 ± 0.00 | 0.04 ± 0.02 | |
| Stair Ascent | 0.23 ± 0.23 | 0.61 ± 0.37 | 99.13 ± 0.40 | 0.02 ± 0.02 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Stair Descent | 0.38 ± 0.30 | 0.25 ± 0.17 | 0.02 ± 0.02 | 99.17 ± 0.49 | 0.00 ± 0.00 | 0.18 ± 0.18 | |
| Ramp Ascent | 0.19 ± 0.19 | 0.06 ± 0.04 | 0.00 ± 0.00 | 0.00 ± 0.00 | 99.75 ± 0.23 | 0.00 ± 0.00 | |
| Ramp Descent | 0.20 ± 0.20 | 0.01 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 99.79 ± 0.20 | |
|
| |||||||
| DS2 | Stand | 99.97 ± 0.03 | 0.03 ± 0.03 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| Walk | 0.00 ± 0.00 | 99.92 ± 0.06 | 0.08 ± 0.06 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Stair Ascent | 0.00 ± 0.00 | 0.11 ± 0.07 | 99.89 ± 0.07 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Stair Descent | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 100.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | |
| Ramp Ascent | 0.00 ± 0.00 | 0.06 ± 0.04 | 0.14 ± 0.09 | 0.06 ± 0.06 | 99.74 ± 0.15 | 0.00 ± 0.00 | |
| Ramp Descent | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 100.00 ± 0.00 | |
|
| |||||||
| SW | Stand | 99.87 ± 0.05 | 0.13 ± 0.05 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| Walk | 0.00 ± 0.00 | 99.81 ± 0.12 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.19 ± 0.12 | |
| Stair Ascent | 0.00 ± 0.00 | 0.00 ± 0.00 | 99.75 ± 0.12 | 0.00 ± 0.00 | 0.25 ± 0.12 | 0.00 ± 0.00 | |
| Stair Descent | 0.00 ± 0.00 | 0.17 ± 0.11 | 0.00 ± 0.00 | 99.60 ± 0.21 | 0.16 ± 0.11 | 0.07 ± 0.05 | |
| Ramp Ascent | 0.00 ± 0.00 | 0.00 ± 0.00 | 1.10 ± 0.34 | 0.00 ± 0.00 | 98.90 ± 0.34 | 0.00 ± 0.00 | |
| Ramp Descent | 0.00 ± 0.00 | 0.18 ± 0.18 | 0.00 ± 0.00 | 0.21 ± 0.11 | 0.00 ± 0.00 | 99.61 ± 0.18 | |