Table 6 Incidence of first fracture by anatomical location.
| Fracture sites | Arthritis group | Control group | p Value |
|---|---|---|---|
| No (%) | No (%) | ||
| Vertebral | 1 (0.05) | 68 (0.03) | >0.2 |
| Forearm* and wrist | 36 (1.86) | 1686 (0.81) | <0.001 |
| Humerus and elbow | 11 (0.57) | 435 (0.21) | 0.003 |
| Femur | 4 (0.21) | 72 (0.03) | 0.005 |
| Lower leg and ankle† | 18 (0.93) | 778 (0.38) | <0.001 |
| Hand/finger | 11 (0.57) | 1378 (0.67) | >0.2 |
| Foot | 14 (0.72) | 706 (0.34) | 0.007 |
| Scapula/clavicle | 7 (0.36) | 397 (0.19) | 0.09 |
| Pelvis | 0 (–) | 32 (0.02) | >0.2 |
| Rib | 2 (0.10) | 180 (0.09) | >0.2 |
| Skull‡ | 9 (0.46) | 524 (0.25) | 0.07 |
| Other§ | 16 (0.83) | 654 (0.32) | <0.001 |
| Total | 129 (6.65) | 6910 (3.34) | <0.001 |
*Radius and ulna; †tibia, fibula, ankle; ‡includes fractures of facial bones and nose; §includes recorded fractures that were not specific to individual bones, such as “arm” or “leg” fractures.