Table 3.

Safety and Adverse Events Reported in Included Randomized Controlled Trials

	Intervention
Study ID	ST36 injection	Control	Effect estimate RR (95%CI)	Adverse events
Guo (2011)40	5/30	0/30	11.00 (0.64–190.53)	ST36 injection group: five participants had local pain but did not affect the treatment
Shan (2009)43	1/34	3/33	0.32 (0.04–2.95)	ST36 injection group: one participant dropped out for treatment Control group: three participants dropped out
Zhan (2009)51	1/40	0/40	3.00 (0.13–71.51)	ST36 injection group: one participant dropped out for treatment
Wang (2011)45	0/30	0/30	Not estimable	Adverse event was not found in both groups
Total	7/134	3/133	1.86 (0.20–17.24)

CI, confidence intervals; RR, relative risk; ST36, Zusanli.