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Table 2 Results of assessment of bias for animal studies, based on SYRCLE risk-of-bias tool [19]

From: Potential biological therapies for severe preeclampsia: a systematic review and meta-analysis

Reference

Sequence generation

Group similarities at baseline

Allocation concealment

Random housing of animals

Blinding of caregivers and/or investigators and outcome assessor

Random animal selection for outcome assessment

Incomplete outcome data addressed

Free of selective reporting

Free of other bias

Erlandsson, 2014 [29]

Unclear

Low

Unclear

Unclear

Unclear

Low

Unclear

Low

Low

Fu, 2015 [12]

Low

Low

Unclear

Low

Unclear

Low

Low

Low

Low

Liu, 2014 [35]

Unclear

Low

Unclear

Low

Unclear

Low

Unclear

Low

Low

Naav, 2015 [30]

Unclear

Unclear

Unclear

Unclear

Unclear

Low

High

Unclear

Low

Shinyama, 1996 [28]

Unclear

Low

Unclear

Unclear

Unclear

Unclear

Low

Low

Low

Wang, 2016 [33]

Unclear

Low

Unclear

Unclear

Unclear

Unclear

Low

Unclear

Low

Wester-Rosenlof, 2014 [11]

Low

Low

Low

Unclear

Low

Low

Low

Low

Low