Figure 3. The percentage of L. monocytogenes killed by alveolar macrophage at 30 min and 120 min incubation in patients given propofol (squares) and isoflurane (circles). Only macrophages ingesting at least one particle were considered in this analysis. *Significant differences from control values. #Significant differences between propofol and isoflurane. Data are expressed as mean +/− SD.