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. Author manuscript; available in PMC: 2014 Sep 11.
Published in final edited form as: Cochrane Database Syst Rev. 2009 Oct 7;(4):CD007393. doi: 10.1002/14651858.CD007393.pub2

Comparison 2. 8% capsaicin versus placebo (single dose).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 ≥30% pain relief 2 709 Risk Ratio (M-H, Fixed, 95% CI) 1.40 [1.12, 1.74]
2 Adverse event: erythema, pruritus 2 709 Risk Ratio (M-H, Fixed, 95% CI) 1.52 [1.35, 1.72]