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Table 3 Between-group statistical analysis of Oxford Knee Scores

From: Unicompartmental vs. segmental bicompartmental vs. total knee replacement: comparison of clinical outcomes

 

UKRa vs. BKRb

UKRa vs. TKRc

BKRb vs. TKRc

p value

95%CI

p value

95%CI

p value

95%CI

Pre-operative

1.000

− 5.8 to 5.9

0.012*

1.1 to 11.1

0.013*

1.1 to 11.0

6 months

0.917

− 6.7 to 9.3

0.461

− 3.7 to 10.9

0.641

− 8.4 to 3.8

1 year

0.899

− 7.1 to 10.3

0.824

− 6.3 to 10.3

0.986

− 6.3 to 7.2

2 years

0.497

− 6.4 to 17.0

0.478

− 6.5 to 17.9

0.993

− 8.7 to 8.0

  1. One-way analysis of variance (ANOVA) and Tukey’s post-hoc pairwise comparison
  2. 95%CI confidence interval of mean difference
  3. *Statistically significant at < 0.05 level
  4. aUKR unicompartmental knee replacement group (6 months: n = 21; 1 year: n = 15; 2 years: n = 4)
  5. bBKR bicompartmental knee replacement group (6 months: n = 39; 1 year: n = 26; 2 years: n = 15)
  6. cTKR total knee replacement group (6 months: n = 41; 1 year: n = 29; 2 years: n = 11)