Fig. 7From: Efficacy of mesenchymal stem cell therapy in systolic heart failure: a systematic review and meta-analysisEffect of MSCs versus placebo on LVEF: overall WMD of LVEF (a), WMD in subgroup of donor source (b), WMD in subgroup of tissue origin (c), WMD in subgroup of delivery approach (d) and WMD in subgroup of preservation (e)Back to article page