Figure 53 is a forest plot. Mean differences were reported or calculated for five short-term studies, with a pooled mean difference of −1.14 (95% confidence interval −2.66 to 0.33) and an overall I-squared value of 91.6%. Mean differences were reported or calculated for three intermediate-term studies, with a pooled mean difference of −0.65 (95% confidence interval −1.15 to 0.17) and an overall I-squared value of 45.5%.

Figure 53Acupuncture versus sham for fibromyalgia: effects on pain

ACP = acupuncture; = confidence interval; = standard deviation

From: Results

Cover of Noninvasive Nonpharmacological Treatment for Chronic Pain: A Systematic Review Update
Noninvasive Nonpharmacological Treatment for Chronic Pain: A Systematic Review Update [Internet].
Comparative Effectiveness Review, No. 227.
Skelly AC, Chou R, Dettori JR, et al.
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