Fig. 4.
Box plots of postoperative Visual Analog Scale (VAS) pain scores at rest for the control and paravertebral blocks (PVBs) groups on admission and discharge from postanesthesia care unit (PACU) I, discharge from PACU II, postoperative day (POD) 2, and POD 7. Median values are shown as solid line within box of 25th and 75th percentile values. Whiskers represent 5th and 95th percentile values. Data were compared using the Mann–Whitney U test and the Bonferroni–Holm correction. * Different from control.