Review Article

Xinmailong Injection for Improvement of Cardiac Function in Patients with Heart Failure: A Systematic Review and Meta-Analysis

Table 2

Risk of bias.

StudyRandom sequence generationAllocation concealmentBlinding of participants and personnelBlinding of outcome assessmentIncomplete outcome dataSelective reportingOther bias

Chen 2012 [20]+////+/
Du et al. 2016 [21]+////+/
Guo and Ren 2016 [22]++///+/
Han et al. 2012 [23]+////+/
Han and Gu 2016 [24]+////+/
Han and Liu 2018 [25]+////+/
He 2017 [26]+////+/
Li and Li 2015 [27]+////+/
Li 2016 [28]++///+/
Li et al. 2018 [29]++///+/
Liu et al. 2018 [30]+////+/
Liu 2018 [31]+////+/
Liu et al. 2018 [32]+////+/
Quan and Miao 2017 [33]++//++/
Shen et al. 2017 [34]+/+//+/
Shi et al. 2016 [35]+////+/
Teng and Wang 2017 [36]++///+/
Wang et al. 2012 [37]+///+/
Wu et al. 2017 [38]++///+/
Wu and Yang 2015 [39]+////+/
Xu and Xu 2016 [40]+////+/
Xue et al. 2015 [41]+++/+/
Xue et al. 2019 [14]+++/++/
Yang et al. 2012 [42]+////+/
Yang et al. 2017 [43]+////+/
Yuan et al. 2015 [44]+////+/
Zhao et al. 2014 [45]+////+/
Zhao et al. 2010 [46]+////+/
Jiang et al. 2019 [47]+////+/
Li 2019 [48]+////+/
Liu and Zhao 2019 [49]+////+/
Zhang and Zhao 2019 [50]++///+/

+, low risk; −, high risk; /, unclear risk.