Fig. 5

Postoperative liver function parameters. Box line plots were used to plot the ratio of postoperative change in liver function from baseline. The solid line in the box indicates the median, the plus sign (+) represents the mean, the box indicates the interquartile range, and the whisker bars represent the minimum and maximum values. A postoperative ALT parameters; B postoperative AST parameters. ALT, alanine transaminase; AST, aspartate transaminase