HRs and RDs for specific knee injuries versus uninjured persons and time to knee OA
| HR (95% CI) Follow-up to 11 years | HR (95% CI) Follow-up 12–19 years | RD (%) (95% CI) Follow-up to 19 years | |
| Cruciate ligament tear | 8.2 (5.9 to 11.4) | 6.8 (5.0 to 9.2) | 19.6 (13.2 to 25.9) |
| Meniscal tear | 7.6 (5.5 to 10.5) | 4.0 (2.7 to 5.9) | 10.5 (6.4 to 14.7) |
| Contusion | 3.2 (2.2 to 4.7) | 2.7 (1.8 to 4.2) | 3.8 (1.6 to 6.1) |
| Fracture | 7.0 (4.2 to 11.7) | 2.1 (0.9 to 5.1) | 6.6 (1.1 to 12.2) |
| Dislocation | 5.9 (3.4 to 10.1) | 3.0 (1.4 to 6.3) | 6.7 (1.8 to 11.5) |
| Collateral ligament | 4.9 (3.3 to 7.3) | 2.1 (1.2 to 3.7) | 4.5 (1.3 to 7.8) |
| Multiple structures | 6.5 (5.0 to 8.5) | 3.2 (2.3 to 4.6) | 8.0 (5.4 to 10.7) |
| Cartilage tear/other injury | 5.2 (3.8 to 7.0) | 2.4 (1.5 to 3.9) | 6.9 (3.5 to 10.2) |
All analyses are adjusted for age at index visit, sex, residential area, education attainment, income, a diagnosis of diabetes (type I or II), obesity and hypertension and stratified on index year.
CI, Confidence Interval; HR, Hazard Ratio; OA, osteoarthritis; RD, risk difference.