Table 1: BMD and prevalence of risk factors (%) in the development patient cohorts.

Development Cohort 1 (Fracture patients)Development Cohort 2 (FPS)
Age < 65 y, Age 65 y, Age 65–72 y

Age (mean, SD)57 5 y71 4 y68 2 y
BMD-N ***
BMD-H ***
BMD-S

%%%
Osteoporosis35***40***14
Osteopenia474947
BMD normal18***11***39
Weight ≤ 57 kg18***138
Previous fracture15
Family history of hip fracture or spinal osteoporosis34***1514
Current smoker18***45
No regular exercise/walking18*16**10
Shortening 5 cm222***4
Shortening 3-4 cm1426*18
Use of arms to rise from a chair1118***6

* , ** , *** , significant difference against FPS cohort.
BMD-N: bone mineral density (T-score), femoral neck.
BMD-H: bone mineral density (T-score), proximal femur.
BMD-S: bone mineral density (T-score), spine L 2 4.
FPS: Fracture Prevention Study.