Heterogeneity of treatment effects in transcranial direct current stimulation for knee osteoarthritis pain and symptoms.

Pain Rep · 2026 · PMC12978831 · PMID 41822104

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an increasing trendno p-value reported

In group 2, NRS pain showed an increasing trend; however, these changes were not statistically significant (β = 0.05, P = 0.213).

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