Fig. 13From: The efficacy of extracellular vesicles for acute lung injury in preclinical animal models: a meta-analysisSecondary outcomes of the meta-analyses of the ALI with EVs group compared with the ALI without EVs control group. Secondary outcomes is TNF-a. The size of each square represents the proportion of information given by each trial. Crossing with the vertical line suggests no diference between the two groups. IV inverse variance, CI confdence interval, df degree of freedomBack to article page