Fig. 6From: Stem cell-derived exosomes in the treatment of acute myocardial infarction in preclinical animal models: a meta-analysis of randomized controlled trialsForest plot showing that exosome therapy reduced the level of TNF-α compared with controls. WMD = −3.09, 95% CI − 5.47 to − 0.72; Test of overall effect, P = 0.011; I2 = 75.7%, P = 0.016Back to article page