Mylène Jansen

176 Chapter 9 Figure 2 : One-year changes in the primary outcome parameters for the 2 patient groups. (A) and (B) show the 1-year total Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) change while (C) and (D) show the 1-year minimum joint space width (JSW) change. (A) and (C) show the mean and standard error of the mean (SEM); (B) and (D) show each individual patient as well as the mean change with 95% confidence interval. All increases in primary outcome measures were statistically significant, whereas these changes were not statistically significantly different between both groups (see Table 2). For the retrospective evaluation of the 1-year follow-up of patients treated with the Dynamic Monotubes, the observed changes over time were similar to those of the KneeReviver with no statistically significant differences for the 1-year changes between the 2 groups, as shown in Table 3 and Figure 2.