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Patient characteristics
| Group | Subjects (males/females) | Average age (years)* |
|---|---|---|
| VF-negative | 50 (25/25) | 60.6 (23–87) |
| VF-positive | 48 (25/23) | 75.4 (56–90) |
| Total | 98 (50/48) | 68.2 (23–90) |
VF Vertebral fracture. The numbar in the parenthesis in the average age column indicates the age range of subjects. *P < 0.01 between VF-negative and VF-positive groups
