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Table 2 Assessment of risk of bias in included studies

From: Effectiveness and safety of ShenXiong glucose injection for acute ischemic stroke: a systematic review and GRADE approach

Study

Random Sequence Generation

Allocation Concealment

Blinding of Participants and personnel

Blinding of Outcome assessment

Incomplete Outcome Data

Selective Reporting

Other source of bias

Wang 2014 [32]

sequence of entering the group

Unclear

Unclear

Unclear

Yes

Yes

Unclear

Liu 2014 [30]

random number table

Unclear

Unclear

Unclear

No

Unclear

Unclear

Liu 2011 [39]

unclear

Unclear

Unclear

Unclear

Yes

No

Unclear

Zhou 2013 [37]

unclear

Unclear

Unclear

Unclear

No

Yes

Unclear

Huang 2012 [40]

unclear

Unclear

Unclear

Unclear

Yes

Unclear

Unclear

Zhou 2011 [34]

unclear

Unclear

Unclear

Unclear

Yes

Yes

Unclear

Shan 2013 [31]

random number table

Unclear

Unclear

Unclear

Yes

Yes

Unclear

Zhe 2011 [33]

sequence of entering the group

Unclear

Unclear

Unclear

Yes

Yes

Unclear

Ling 2013 [41]

unclear

Unclear

Unclear

Unclear

Yes

Unclear

Unclear

Guan 2011 [42]

unclear

Unclear

Unclear

Unclear

No

Unclear

Unclear

Nie 2013 [35]

unclear

Unclear

Unclear

Unclear

Yes

Unclear

Unclear

Lin 2014 [36]

unclear

Unclear

Unclear

Unclear

Yes

Unclear

Unclear

  1. Annotation: Yes = low risk of bias; No = high risk of bias; unclear = uncertain risk of bias