Fig. 2From: The efficacy of extracellular vesicles for acute lung injury in preclinical animal models: a meta-analysisMain outcome of the meta-analyses of the ALI with EVs group compared with the ALI without EVs control group. Main outcome is lung injury score. 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. ALI acute lung injury, IV inverse variance, CI confdence interval, df degree of freedomBack to article page