The mean difference from baseline in average VAS score also failed to reach statistical significance (2.3±2.8 in the RFA group vs 2.2±2.4 in the sham group; p=0.73).
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Bipolar radiofrequency ablation of the superomedial (SM), superolateral (SL) and inferomedial (IM) genicular nerves for chronic osteoarthritis knee pain: a randomized double-blind placebo-controlled trial with 12-month follow-up.
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