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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)