Transplantation of Autologous Mesenchymal Stem Cells for End-Stage Liver Cirrhosis: A Meta-Analysis Based on Seven Controlled Trials

Table 2

Quality assessments of trials included.

Study/quality components	Adequate random sequence generation (selection bias)	Adequate method of allocation concealment (selection bias)	Blinding of participants and personnel (performance bias)	Blinding of outcome assessment (detection bias)	Incomplete outcome data (attrition bias)	Selective reporting (reporting bias)
Salama et al., 2010 [13]	?	?	?	?	?	Y
Amer et al., 2011 [12]	Y	Y	?	?	Y	Y
Peng et al., 2011 [16]	N	N	?	?	?	Y
El-Ansary et al., 2012 [14]	N	N	?	?	?	Y
Mohamadnejad et al., 2013 [15]	Y	Y	Y	N	?	Y
Xu et al., 2014 [18]	Y	Y	?	?	?	Y
Salama et al., 2014 [17]	?	?	?	?	?	Y

“Y” indicating low risk of bias; “N” indicating high risk of bias; “?” indicating insufficient data for judgment.