[Retracted] Investigation of the Clinical Efficacy of Acupuncture Combined with Traditional Chinese Medicine Fumigation in the Treatment of Rheumatoid Arthritis by Meta-Analysis

Table 1

Basic characteristics of literature.

Author	The year of publication	Outcome index	Quality score
Zhang et al. [13]	2020	ACD	3
Gao [14]	2019	A	2
Qiu and Gao [15]	2020	ACD	4
Pan and Jin [16]	2021	ABEF	5
Gao et al. [17]	2018	AEF	4
Xing [18]	2021	ADE	4
Wu et al. [19]	2020	AEF	4
Wang et al. [20]	2019	AC	3
Guo and Zhou [21]	2019	ACDEF	5
Xu et al. [22]	2021	AC	3
Niu [23]	2015	ACDEF	5
Zhong [24]	2017	A	2
Wang and Zhu [25]	2021	ABDE	5
Zhao [26]	2021	AC	3
Zhou [27]	2019	ACD	4
Chang and Sun [28]	2021	BC	3
Fang et al. [29]	2016	CDEF	5