Impact of including Korean randomized controlled trials in Cochrane reviews of acupuncture.

PLoS One · 2012 · PMC3469498 · PMID 23071826

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did not reach statistical significanceno p-value reported

Compared to the component studies included in the Cochrane acupuncture reviews, the risk of bias in the Korean trials was higher in terms of outcome assessor blinding and allocation concealment although the difference did not reach statistical significance in terms of allocation concealment ( Table 4 ).

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