Comparison 1. Relaxation versus acupuncture or superficial needle insertion.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Change in number of hot flushes/24 h	2	72	Mean Difference (IV, Fixed, 95% CI)	0.05 [‐1.33, 1.43]
2 Change in severity of hot flushes (Kupperman score)	2	72	Mean Difference (IV, Fixed, 95% CI)	‐1.32 [‐5.06, 2.43]