ORs comparisons for the eight hip fracture risk levels for full, derivation and validation datasets
| Hip fracture risk level categories | Combined sample ORs (95% CI) | Derivation sample ORs (95% CI) | Validation sample ORs (95% CI) |
| Hip fracture risk level 2 vs 1 | 3.0 (1.9 to 4.6) | 2.9 (1.7 to 4.7) | 3.3 (1.3 to 8.9) |
| Hip fracture risk level 3 vs 1 | 4.2 (2.7 to 6.3) | 4.1 (2.5 to 6.5) | 4.6 (1.8 to 11.7) |
| Hip fracture risk level 4 vs 1 | 5.2 (3.4 to 7.9) | 4.9 (3.1 to 7.9) | 6.1 (2.4 to 15.6) |
| Hip fracture risk level 5 vs 1 | 8.3 (5.5 to 12.6) | 7.7 (4.8 to 12.2) | 10.8 (4.3 to 26.9) |
| Hip fracture risk level 6 vs 1 | 11.6 (7.0 to 19.1) | 10.6 (6.0 to 18.7) | 15.4 (5.3 to 45) |
| Hip fracture risk level 7 vs 1 | 13.4 (8.8 to 20.5) | 12.6 (7.9 to 20.2) | 16.7 (6.6 to 42.2) |
| Hip fracture risk level 8 vs 1 | 23.0 (12.5 to 42.3) | 22.1 (11.2 to 43.9) | 25.9 (6.6 to 101) |