Table 6.
Summary of adjusted risk ratios. Revision during the entire study period
| Endpoint | Population investigated | Reference population | Adjusted RR (CI) | p-value |
|---|---|---|---|---|
| Revision of any component | ||||
| for any reason | All uncemented implants | All cemented implants | 1.5 (1.4–1.6) | < 0.001 |
| due to aseptic loosening | All uncemented implants | All cemented implants | 1.5 (1.3–1.6) | < 0.001 |
| due to deep infection | All uncemented implants | All cemented implants | 0.9 (0.6–1.3) | 0.5 |
| for any reason | All uncemented implants from 2000 | All cemented implants from 2000 | 1.5 (1.2–1.8) | < 0.001 |
| Cup revision due to aseptic loosening | All uncemented cups | All cemented cups | 1.8 (1.6–2.0) | < 0.001 |
| Stem revision due to aseptic loosening | All uncemented stems | All cemented stems | 0.4 (0.3–0.5) | < 0.001 |
| Revision for any reason within 2 years of the index procedure | All uncemented implants | All cemented implants | 1.8 (1.5–2.2) | < 0.001 |
| Stem revision due to fracture within 2 years of the index procedure | All uncemented stems | All cemented stems | 8.0 (4.5–14) | < 0.001 |
| Cup revision for any reason | 5 most common uncemented cups | 5 most common cemented cups | 0.9 (0.6–1.1) | 0.2 |
| Cup revision due to aseptic loosening | 5 most common uncemented cups | 5 most common cemented cups | 0.5 (0.3–0.8) | 0.001 |
| Stem revision for any reason | 5 most common uncemented stems | 5 most common cemented stems | 0.5 (0.4–0.6) | < 0.001 |
| Stem revision due to aseptic loosening | 5 most common uncemented stems | 5 most common cemented stems | 0.3 (0.2–0.4) | < 0.001 |