Clinical and Preclinical Systematic Review of Astragalus Membranaceus for Viral Myocarditis

Table 5

Risk of bias of clinical studies.

Study	A	B	C	D	E	F	G	Total
Du 2019	+	—	—	—	+	—	+	3
Li et al. 2019	+	—	—	—	+	—	+	3
Qi et al. 2019	+	—	—	—	+	+	+	4
Zhang et al. 2019	+	—	—	—	+	—	+	3
Zheng 2019	+	—	—	—	+	—	+	3
Liu et al. 2018	+	—	—	—	+	+	+	4
Gui 2017	+	—	—	—	+	—	+	3
Zhang et al. 2017B	+	—	—	—	+	+	+	4
Zhou 2017	+	—	—	—	+	—	+	3
Li et al. 2016A	+	—	—	—	+	—	+	3
Xing 2016	+	—	—	—	+	—	+	3
Wu 2016	+	—	—	—	+	—	+	3
Wu et al. 2016	+	—	—	—	+	—	+	3
Gao 2015	+	—	—	—	+	—	+	3
Lou 2015	+	—	—	—	+	—	+	3
Tao 2015	+	—	—	—	+	—	+	3
Zhao et al. 2015	+	—	—	—	+	—	+	3
Ban 2014	+	—	—	—	+	—	+	3
Wang et al. 2014	+	—	—	—	+	—	+	3
Liang 2014	+	—	—	—	+	—	+	3
Kang 2014	+	—	—	—	+	—	+	3
Zhang 2014	+	—	—	—	+	—	+	3
Liu et al. 2013	+	—	—	—	+	+	+	4
Zhang et al. 2013	+	+	+	+	+	+	+	7
Wang 2012	+	—	—	—	+	—	+	3
Dong 2011	+	—	—	—	+	—	+	3
Hu 2009	+	—	—	—	+	—	+	3
Zhang et al. 2006B	+	+	—	—	+	—	+	4

Note: A: random sequence generation; B: concealment of allocation; C: blinding of participants and personnel; D: blinding of outcome assessment; E: incomplete outcome data; F: selective reporting; G: other bias; “+” indicates low risk of bias; “-” indicates high risk of bias; and “?” indicates an unclear risk of bias.