Fig. 3. Median (interquartile range) transforming growth factor (TGF) β concentrations are shown. *P = 0.04, lower general anesthesia (GA) postoperative values versus GA preoperative values. †P = 0.04, higher postoperative propofol-paravertebral (PPV) values versus GA postoperative values. Horizontal line denotes median values, box borders refer to interquartile range, whiskers indicate range of values.