Fig. 3

Postoperative numerical rating scale pain scores (A) at rest and (B) during activity for 3 days postoperatively. Data are presented as medians with error bars showing the interquartile range. DS (gray), placebo (black). DS, dinalbuphine sebacate; RR, recovery room; POD, postoperative day; AM, Ante Meridiem; PM, Post Meridiem