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Table 5 Range of motion following total knee arthroplasty

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)

Flexion angle*

 Postoperative day 1

71 ± 13

71 ± 13

 Postoperative day 2

77 ± 10

80 ± 8

 Postoperative day 3

87 ± 10

85 ± 9

 Postoperative day 4

92 ± 9

90 ± 10

 Postoperative day 5

94 ± 10

94 ± 9

Extension angle†

 Postoperative day 1

−8 ± 3

− 8 ± 5

 Postoperative day 2

− 8 ± 3

− 9 ± 5

 Postoperative day 3

−7 ± 3

− 8 ± 4

 Postoperative day 4

−6 ± 4

−7 ± 4

 Postoperative day 5

−6 ± 4

−6 ± 5

  1. Results are expressed as means ± standard deviation
  2. *Repeated measures analysis of variance showed that the additional periarticular injection was not associated with the difference of the flexion angle (p = 0.75)
  3. † Repeated measures analysis of variance showed that the additional periarticular injection was not associated with the difference of the extension angle (p = 0.59)