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Table 3 Visual analogue scale score for postoperative pain during activity

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)
Postoperative day 1 24 ± 22 44 ± 27
Postoperative day 2 27 ± 23 36 ± 19
Postoperative day 3 19 ± 22 34 ± 19
Postoperative day 4 15 ± 15 26 ± 20
Postoperative day 5 18 ± 19 30 ± 20
  1. Results are expressed as mean ± standard deviation
  2. Repeated measures analysis of variance showed that the effect of group (additional periarticular injection) was associated with the difference of visual analogue scale during activity (p = 0.03)