Evidence-Based Complementary and Alternative Medicine / 2017 / Article / Fig 5

Review Article

The Immediate Analgesic Effect of Acupuncture for Pain: A Systematic Review and Meta-Analysis

Figure 5

Subgroup analysis with the type of sham (nonpenetrating versus penetrating) for sham-controlled trials (excluding study by Zhang et al. [42]). 95% CI, confidence interval; Std., standardized.

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