Effect of Acupuncture on Chronic Pain with Depression: A Systematic Review

Table 4

VAS scores in each study.

Author	Year	EG		CG
		Before therapy mean (SD)	4 w mean (SD)	Before therapy mean (SD)	4 w mean (SD)
Wang	2012	7.0 (1.8)	2.9 (1.0)	6.8 (1.5)	3.2 (1.0)
Ma	2015	7.33 (1.22)	4.81 (1.25)	7.28 (1.19)	5.27 (1.32)
Luo	2018	7.92 (1.16)	2.29 (1.01)	7.86 (1.22)	3.12 (1.25)
Liu	2013	3.68 (1.15)	0.93 (0.78)	3.70 (1.12)	2.53 (1.09)
Cao	2008	7.50 (1.12)	2.34 (1.43)	7.48 (1.27)	2.40 (1.45)

EG, experimental group; CG, control group.