Figure 4.

Pain scores at rest. Numeric Rating Scale pain scores were determined at rest. The diamond, square, triangle, and circle represent the group means. The bottom and top of each rectangle indicate the first and third quartiles, respectively. The horizontal line within each rectangle indicates the median. The lines extending out of the bottom and top of each rectangle represent the minimum and maximum values that lie within 1.5 times the interquartile range below and above the first and third quartiles, respectively. Outliers are not shown. NRS = Numeric Rating Scale; PACU = Post-Anesthesia Care Unit; POD = postoperative day.