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The analysis of dual-task costs and ROI of EG during Task 2.
| ROI-ROI | Dual-task costs | Correlation | Significance |
|---|---|---|---|
| LPFC-PC | Step length | 0.67 | 0.005 |
| RPFC-LOC | Support phase | 0.61 | 0.013 |
| LTL-PC | Step length | 0.54 | 0.033 |
| LTL-LOC | Step length | 0.51 | 0.046 |
| RTL-PC | Step speed | 0.55 | 0.029 |
| Support phase | −0.55 | 0.027 |
