Fig. 2

Assessment of the patient’s injury and condition, duration of perioperative analgesics, and pain score. a Percentage of different causes of injury. b Percentage of different injured segments. c Time from injury to operation (days). d Preoperative Tlics score. e Preoperative percentages of different Frankel grades. f Operation time (h). g Intraoperative blood loss (ml). h Time of preoperative analgesic drug use (days); i Use time of postoperative analgesics (days). j VAS rest assessment 1 day before surgery. k Number of different VAS scores before surgery. l VAS at resting assessment 1 month after surgery. m Number of different VAS scores after surgery. n Comparison of VAS differences before and after operation. * The difference between codeine and celecoxib groups was statistically significant, p < 0.01. # The difference between the codeine and etoricoxib groups was statistically significant, p < 0.01. & The difference between codeine and celecoxib groups was statistically significant, p < 0.01