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Survival UKA
Knee » Survival UKA » UKA
FIGURE Cumulative revision percentage of unicondylar knee arthroplasties by type of revision in the Netherlands in 2007-2022 (n=48,029)
TABLE Cumulative revision percentages
| Number at risk (n) | Competing Risk (95% CI) | Kaplan Meier¹ (95% CI) | |
| Any type of revision | |||
| 1-year revision (%) | 40,463 | 2.1 (1.9-2.2) | 1.9 (1.8-2.0) |
| 3-year revision (%) | 28,856 | 5.3 (5.1-5.4) | 5.3 (5.0-5.5) |
| 5-year revision (%) | 19,562 | 7.2 (6.9-7.4) | 7.2 (6.9-7.5) |
| 10-year revision (%) | 6,547 | 11.6 (11.2-12.1) | 12.0 (11.5-12.4) |
| 14-year revision (%) | 1,437 | 14.8 (14.1-15.4) | 15.5 (14.8-16.2) |
| Major revision² | |||
| 1-year revision (%) | 40,748 | 1.2 (1.1-1.3) | 1.1 (1.0-1.2) |
| 3-year revision (%) | 29,186 | 4.1 (3.9-4.3) | 4.1 (3.9-4.2) |
| 5-year revision (%) | 19,839 | 5.7 (5.5-6.0) | 5.8 (5.5-6.0) |
| 10-year revision (%) | 6,636 | 9.9 (9.5-10.4) | 10.3 (9.8-10.7) |
| 14-year revision (%) | 1,456 | 13.0 (12.4-13.7) | 13.7 (13.0-14.4) |
| Minor revision³ | |||
| 1-year revision (%) | 40,889 | 0.9 (0.8-1.0) | 0.9 (0.8-1.0) |
| 3-year revision (%) | 30,142 | 1.4 (1.3-1.5) | 1.5 (1.4-1.6) |
| 5-year revision (%) | 21,000 | 1.7 (1.6-1.9) | 1.8 (1.7-1.9) |
| 10-year revision (%) | 7,665 | 2.1 (2.0-2.3) | 2.2 (2.1-2.4) |
| 14-year revision (%) | 1,760 | 2.3 (2.1-2.5) | 2.5 (2.3-2.7) |
¹ The cumulative revision percentage using the Kaplan Meier method is shown in the figure.
² First revision of the femur or tibia component, regardless of whether a minor revision has already taken place. Therefor, the first three revision procedures were reviewed.
³Only insert and/or patella exchange (including patella addition).
UKA: unicondylarl knee arthroplasty; CI: confidence interval.
© LROI 2023
In 2007-2022, 2,153 (4.5%) primary UKAs were implanted in patients who died within fourteen years after the primary diagnosis
Knee » Survival UKA » UKA by procedure year