Different methods of acupuncture for relief of pain due to liver cancer: A network meta-analysis

Table 1 Main characteristics of the selected articles

Ref.		Cases (observation group/control group)	Treatment measures	Control measures	Evaluating indicator
Zeng et al[18], 2014		30/30	Wrist ankle acupuncture	Three step analgesic ladder therapy	Degree of pain relief
Liu et al[18], 2010		51/51	Block acupuncture	Three step analgesic ladder therapy	Degree of pain relief/VAS score
Liu et al[18], 2007		30/30	Block acupuncture	Three step analgesic ladder therapy	Degree of pain relief/VAS score
Liu et al[21], 2008		51/51	Block acupuncture	Three step analgesic ladder therapy	Degree of pain relief/VAS score
Sun et al[22], 2021		80/60	Triple puncture and remaining needle acupuncture	Three step analgesic ladder therapy	Degree of pain relief
Hu et al[22], 2004	36/50		Wrist ankle acupuncture	Three step analgesic ladder therapy	Degree of pain relief
Hu et al[22], 2005	36/40		Wrist ankle acupuncture	Three step analgesic ladder therapy	Degree of pain relief
Cai et al[22], 2009	54/54		Tianyuam acupuncture	Three step analgesic ladder therapy	Degree of pain relief/VAS score