Fig. 3From: Efficacy of mesenchymal stem cell therapy in systolic heart failure: a systematic review and meta-analysisEffect of MSCs versus placebo on death: RR of death in the overall group (a), RR of death in subgroup of donor source (b), RR of death in subgroup of tissue origin (c), RR of death in subgroup of delivery approach (d), RR of death in subgroup of preservation (e) and RR of death in subgroup of duration over 10 days from acquisition to injection (f)Back to article page