Comparison 3. Electroacupuncture versus relaxation.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Hot flush frequency (number/day)	1	38	Mean Difference (IV, Random, 95% CI)	‐0.40 [‐2.18, 1.38]
1.1 Electroacupuncture vs. relaxation	1	38	Mean Difference (IV, Random, 95% CI)	‐0.40 [‐2.18, 1.38]
2 Hot flush frequency in cancer trials	1	38	Std. Mean Difference (IV, Random, 95% CI)	‐0.14 [‐0.78, 0.50]
2.1 Electroacupuncture vs. relaxation	1	38	Std. Mean Difference (IV, Random, 95% CI)	‐0.14 [‐0.78, 0.50]
3 Hot flush severity	1		Mean Difference (IV, Random, 95% CI)	Subtotals only
3.1 Electroacupuncture vs. relaxation	1	38	Mean Difference (IV, Random, 95% CI)	0.20 [‐0.85, 1.25]
4 Quality of life	1		Mean Difference (IV, Random, 95% CI)	Subtotals only
4.1 Electroacupuncture vs. relaxation	1	38	Mean Difference (IV, Random, 95% CI)	8.3 [‐4.23, 20.83]