Table 1.
Subject characteristics
| Parameter | Children Number (percent) or mean (SD) or median (range) | Adults Number (percent) or mean (SD) |
|---|---|---|
| Subject number | 44 | 221 |
| Malea | 23 (52) | 58 (26) |
| Age (years) | 7.7 (2.1, 16.6) | 62.9 (13.4) |
| Lumbar spine BMD Z-score | −1.7 (1.5) | −1.0 (1.5) |
| Total vertebral fractures | 94 | 545 |
| Thoracic vertebral fractures | 68 (72) | 414 (76) |
| Mean VF per patientb | 2.1 (2.1) | 2.5 (1.9) |
| Vertebral fractures per patientb | ||
| 1 | 30 (68) | 86 (39) |
| 2 to 3 | 7 (16) | 91 (41) |
| 4 to 5 | 3 (7) | 29 (13) |
| 6–8 | 4 (9) | 11 (5) |
| 9–11 | 0 (0) | 4 (2) |
| Fracture gradea | ||
| grade 1 | 59 (63) | 99 (45) |
| grade 2 | 27 (29) | 56 (25) |
| grade3 | 8 (8) | 66 (30) |
a
p<0.001 between children and adults
b
p< 0.05 between children and adults