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DXA and QCT ability to detect BMD values below the expected range for age, per vertebra level, and gender distribution.
| Z-score ≤ -2.0 | All | Males | Females | |||
|---|---|---|---|---|---|---|
| DXA (n = 9) | QCT (n = 30) | DXA (n = 5) | QCT (n = 20) | DXA (n = 4) | QCT (n = 10) | |
| L1 | 3 | 11 | 2 | 7 | 1 | 4 |
| L2 | 2 | 9 | 1 | 6 | 1 | 3 |
| L3 | 4 | 10 | 2 | 7 | 2 | 3 |
n: number of patients; L1: lumbar vertebrae 1; L2: lumbar vertebrae 2; L3: lumbar vertebrae 3.
