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Table 2 Intragroup comparison of AKSS-knee and AKSS-function scores

From: Mid-term clinical outcomes and complications of primary total knee arthroplasty in hemodialysis patients: a retrospective comparative cohort study

 

Pre-operation

Two year follow-up

Last follow-up

p-valuea

p-valueb

p-valuec

HD group

 AKSS Knee Score

44.9 ± 18.8 (10–72)

95.0 ± 9.8 (72–100)

95.4 ± 7.7 (72–100)

<  0.0001

<  0.0001

0.7684

 AKSS Function Score

30.7 ± 20.9 (0–70)

73.1 ± 27.2 (0–100)

66.9 ± 33.0 (0–100)

<  0.0001

<  0.0001

0.1567

non-HD group

 AKSS Knee Score

46.6 ± 16.7 (0–80)

96.8 ± 5.5 (69–100)

97.6 ± 3.4 (83–100)

<  0.0001

<  0.0001

0.2696

 AKSS Function Score

33.0 ± 21.4 (0–70)

78.9 ± 18.8 (15–100)

79.2 ± 18.2 (15–100)

<  0.0001

<  0.0001

0.8616

  1. p-valuea: Pre-operation vs. Two year follow-up
  2. p-valueb: Pre-operation vs. Last follow-up
  3. p-valuec: Two year follow-up vs. Last follow-up
  4. Continuous variables are expressed as the mean ± standard deviation (range). HD: hemodialysis, AKSS American Knee Society Score