Appropriateness of sham or placebo acupuncture for randomized controlled trials of acupuncture for nonspecific low back pain: a systematic review and meta-analysis.

J Pain Res · 2018 · PMC5749386 · PMID 29343984

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moderately significantno p-value reported

Moderately significant evidence was obtained for the effectiveness of SA/PA for pain intensity as measured at the end of the treatments for LBP management.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.