Bronchoalveolar lavage fluid high-mobility group B1 levels before injury and after injury. NG, acute lung injury with normoglycemia group; HG, acute lung injury with hyperglycemia group; HG-VI, acute lung injury with hyperglycemia treated with intravenous insulin group; HG-AI, acute lung injury with hyperglycemia treated with aerosolized insulin group; HMGB1, high-mobility group B 1. Boxes extend from the 25th to 75th percentile; the horizontal line shows the median. Error bars show the minimum and maximum. *P <0.05 compared before injury; #P <0.05 compared with after injury in the HG group.