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The diagnostic rates classification with vBMD versus aBMD in females.
| Location | Osteoporosis QCT (%) | Osteopenia QCT (%) | Normal QCT (%) |
|---|---|---|---|
| Age <50 y (n = 225) | |||
| Lumbar spine (vBMD) | 20 (8.9%) | 50 (22.2%) | 155 (68.9%) |
| Hip (aBMD) | 2 (0.9%) | 57 (25.3%) | 166 (73.8%) |
| Age ≥50 y (n = 271) | |||
| Lumbar spine (vBMD) | 89 (32.8%) | 80 (29.5%) | 102 (37.6%) |
| Hip (aBMD) | 44 (16.2%) | 126 (46.5%) | 101 (37.3%) |
