Table 2

 Characteristics of cases and controls

CharacteristicCasesControls
No%No%
Sex
    Male1481145.12951745.2
    Female1801654.93577854.8
Age
    0–920346.240686.2
    10–19428213.0855613.1
    20–491102933.62204733.8
    50–791052132.02092032.0
    ⩾80496115.1970414.9
Fracture sites
    Hip/femur806624.6
    Patella/tibia/fibula661520.2
    Ankle/foot18,14655.3