Fig. 4From: Stem cell-derived exosomes in the treatment of acute myocardial infarction in preclinical animal models: a meta-analysis of randomized controlled trialsForest plot showing the impact of exosome therapy on IS improvement, compared with controls. WMD = −4.52%, 95% CI − 7.14 to − 1.9%; Test of overall effect, P = 0.001; I2 = 89.1%, P = 0.000Back to article page