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5-year cumulative failure rates (and 95% CI) by type of previous surgery procedure (all TKAs)
| Factor | Total number | Number of events | 5-year cumulative failure rate (%) |
|---|---|---|---|
| No previous procedure | 3,101 | 134 | 3.3 (2.7–4.0) |
| Previous procedure | 844 | 70 | 6.6 (5.1–8.5) |
| Arthroscopy | 127 | 15 | 7.9 (4.4–14) |
| Meniscectomy | 400 | 29 | 5.7 (3.8–8.5) |
| Osteosynthesis | 75 | 7 | 8.3 (3.8–18) |
| Osteotomy | 129 | 7 | 4.1 (1.7–9.5) |
| Ligamentoplasty | 43 | 3 | 7.1 (2.4–21) |
| Other | 70 | 9 | 12 (6.1–22) |
