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Table 4 Mean number of suppositories used as rescue analgesia

From: Percutaneous periarticular multi-drug injection at one day after total knee arthroplasty as a component of multimodal pain management: a randomized control trial

Duration after surgery Additional periarticular injection (21 patients) No additional injection (20 patients)
On the night of surgery 0.05 ± 0.22 0.10 ± 0.31
Postoperative day 1 0.10 ± 0.30 0.30 ± 0.57
Postoperative day 2 0.19 ± 0.40 0.10 ± 0.31
Postoperative day 3 0.14 ± 0.36 0.15 ± 0.49
Postoperative day 4 0.05 ± 0.22 0
Postoperative day 5 0 0.10 ± 0.45
  1. Repeated measures analysis of variance showed that the additional periarticular injection was not associated with the difference of the number of suppositories used as rescue analgesia VAS at rest (p = 0.55)