Figure 2.

Time course of systolic blood pressure. The box-and-whisker plot shows the values immediately and 5, 15, 30, and 60 minutes after incision. The middle line in the box represents median value, the upper, and lower margins of the box represent the third and first quartiles, respectively, and the whiskers represent the maximum and minimum values. There was no significant difference between Group G and Group S. Group G, patients who received general anesthesia alone; Group S, patients who received a combination of general anesthesia and serratus plane block.