Fig. 3From: Survivorship of the fixed-bearing medial unicompartmental knee arthroplasty: mean 14-year follow-up in a single medical centerKaplan-Meier survival analysis between the OA and the ON groups. In the OA group, the cumulative survival was 92.5% at ten years and 90.6% at 15 years, whereas the ON group had a cumulative survival of 88.1% at ten years and 15 years (log-rank test p = 0.443)Back to article page