The Efficacy of Acupuncture for the Treatment of Cervical Vertigo: A Systematic Review and Meta-Analysis

Table 4

The results of the included studies through sensitivity analysis.

Excluded studies	Acupuncture group (number)	Medication group (number)	RR (95% CI)	value	Heterogeneity test	Effect model
Zhang, 2013 [28]	431	413	1.27 (1.19, 1.35)			Fixed
Wu et al., 2008 [29]	432	412	1.27 (1.19, 1.35)			Fixed
Guo and Yan, 2013 [33]	417	397	1.28 (1.20, 1.37)			Fixed
Luo and Xu, 2012 [34]	420	401	1.23 (1.16, 1.31)			Fixed
Yu et al., 2005 [35]	434	415	1.27 (1.19, 1.35)			Fixed
Liu and Shan, 2015 [30]	419	399	1.25 (1.18, 1.33)			Fixed
Deng, 2006 [31]	403	397	1.28 (1.20, 1.36)			Fixed
Hua and Li, 2009 [36]	407	387	1.28 (1.20, 1.36)			Fixed
Wu et al., 2010 [37]	423	405	1.26 (1.19, 1.35)			Fixed
Lin et al., 2011 [32]	417	397	1.27 (1.19, 1.35)			Fixed

RR: risk ratio; 95% CI: 95% confidence interval.