Table 5.
Summary of the means and standard deviations and statistical tests for each performance metric, interface and subject
| Metric | S1 | S2 | S3 | ||
|---|---|---|---|---|---|
| PTC (%) | Interface | FNC | 90.5(±6.5) | 80.3(±14.9) | - |
| FSC | 88.2(±5.6) | 96.5(±3.4) | 73.6(±15.3) | ||
| sEMG | 93.9(±5.3) | 95.9(±3.2) | 85(±7.1) | ||
| Friedman’s Test | p = 0 . 0 1 2 | p = 0 . 0 2 2 | p=0.179 | ||
| FNC-FSC | p=0.366 | p = 0 . 0 0 2 | - | ||
| Wilcoxon Test | FSC-sEMG | p = 0 . 0 0 4 | p=0.389 | p=0.099 | |
| sEMG-FNC | p=0.089 | p = 0 . 0 0 5 | - | ||
| FNC | 0.92(±0.26) | 1.78(±1.04) | - | ||
| TE (cm) | Interface | FSC | 0.91(±0.25) | 0.54(±0.34) | 1.92(±0.46) |
| sEMG | 1.56(±1.13) | 0.71(±0.35) | 2.01(±0.58) | ||
| Friedman’s Test | p=0.420 | p = 0 . 0 1 5 | p=0.655 | ||
| FNC-FSC | p=0.967 | p = 0 . 0 0 2 | - | ||
| Wilcoxon Test | FSC-sEMG | p=0.249 | p=0.115 | p=0.953 | |
| sEMG-FNC | p=0.216 | p = 0 . 0 0 7 | - | ||
| FNC | −3.2(±0.34) | −3.19(±0.47) | - | ||
| SM (-) | Interface | FSC | −3.83(±0.75) | −3.02(±0.26) | −3.37(±0.15) |
| sEMG | −3.5(±0.68) | −3.29(±0.52) | −3.35(±0.69) | ||
| Friedman’s Test | p=0.057 | p=0.549 | p=0.179 | ||
| FNC-FSC | p = 0 . 0 1 6 | p=0.394 | - | ||
| Wilcoxon Test | FSC-sEMG | p=0.486 | p=0.148 | p=0.594 | |
| sEMG-FNC | p=0.148 | p=0.932 | - | ||
| FNC | 3.27(±0.39) | 3.35(±0.7) | - | ||
| SP (cm/s) | Interface | FSC | 2.70(±0.38) | 3.48(±0.2) | 1.49(±0.35) |
| sEMG | 2.13(±0.53) | 2(±0.3) | 2.02(±0.57) | ||
| Friedman’s Test | p < 0 . 0 0 1 | p = 0 . 0 2 2 | p=0.655 | ||
| FNC-FSC | p < 0 . 0 0 1 | p=0.930 | - | ||
| Wilcoxon Test | FSC-sEMG | p = 0 . 0 0 2 | p < 0 . 0 0 1 | p=0.129 | |
| sEMG-FNC | p < 0 . 0 0 1 | p < 0 . 0 0 1 | - |
Bold p−v a l u e s indicate a signinfcant difference