Self-administered transcranial direct current stimulation for pain in older adults with knee osteoarthritis: A randomized controlled study.

Brain Stimul · 2022 · PMC9387776 · PMID 35690388

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a decreasing trendno p-value reported

For the active tDCS group, a decreasing trend of NRS over time was found significant while no significance was detected in the NRS score trend for the sham tDCS group ( Table 3 ; the overall p-value corresponding to the interaction between the time factor and the treatment group factor is less than 0.01).

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