Table 1.

Basic information of the literature included in the study

Study	Country	Case (n)		Age		Gender (n, M/F)		Intervention measures		Outcome
		Group A	Group B	Group A	Group B	Group A	Group B	Group A	Group B
Elshiwi 2022	Egypt	15	15	NA	NA	NA	NA	a	d	②③
Gu 2018	China	30	30	52.3	52.3	16/14	17/13	a	g	①②
Hu 2011	China	32	32	46.2	43.6	13/19	15/17	a	j	①
Hu 2016	China	30	32	42.0	41.0	17/13	16/16	a	b	①②④
Jiang 2013	China	33	33	38.0	41.0	11/22	13/20	a	k	②③
Jiang 2016	China	33	33	NA	NA	NA	NA	a	k	②
Liang 2008	China	56	56	49.6	48.2	25/31	26/30	a	c	①
Sun 2010	China	30	30	38.0	40.0	14/16	17/13	a	b	①②③
Tao 2012	China	50	50	NA	NA	NA	NA	a	i	①②
Wang 2006	China	50	50	NA	NA	31/19	27/23	a	h	①②
Yang 2009	China	72	78	45.5	45.6	41/31	45/33	a	f	①
Zhang 2019	China	30	30	39.0	40.0	16/14	17/13	a	e	①②③

Note: a. Acupuncture; b. Western medicine; c. Acupuncture combined with tendon-muscle picking therapy; d. Traditional physical therapy; e. Acupuncture combined with distal acupoints along meridian plus exercising; f. Bee-needle therapy; g. Warm needling therapy; h. Warming acupuncture combined with scraping; i. Acupuncture combined with heart-gallbladder theory; j. Acupuncture combined with warming-promotion acupuncture; k. Point injection therapy. ① The total clinical effective rate; ② The score of visual analogue scale after treatment; ③ The Oswestry disability index after treatment; ④ Adverse reactions. NA. Missing content.