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Comparison of effective rates (%) at each time point between the two groups.
| Group | T1 | T2 | T3 | T4 |
|---|---|---|---|---|
| tDCS (n = 38) | 74% | 68% | 71% | 74% |
| tDNRS (n = 38) | 76% | 71% | 79% | 79% |
| P value | 0.744 | 0.645 | 0.191 | 0.404 |
| Statistic | 0.107 | 0.212 | 1.707 | 0.695 |
tDCS: temporary dorsal column stimulation; tDNRS: temporary dorsal nerve root stimulation.
