Comparing the Effectiveness of S-Ketamine Combined with Sufentanil versus Sufentanil Alone for Postoperative Pain Management in Elderly Patients Undergoing Laparoscopic Radical Resection of Gastrointestinal Cancer: A Randomized Controlled Trial

Figure 2

Comparison of postoperative RSS scores and NRS scores of the three groups of patients at different time points. (a) RSS scores; (b, c) NRS scores for resting and movement states, respectively. Data are shown as box-and-whisker plots following the Tukey style and analyzed using the Mann−Whitney U test. After Bonferroni correction, the criterion for significance was 0.004 for each postoperative time point. in comparison to the F group.

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