Table 1.
Characteristics of patients and controls, and results of bone markers measurements; values are shown as mean (SD)
| Characteristic | Nonunion | Healing controls | Healed controls |
|---|---|---|---|
| 16 | 14 | 18 | |
| Site of fractures | |||
| Tibia | 7 | 8 | 9 |
| Radius | 1 | 0 | 2 |
| Radius + ulna | 3 | 2 | 4 |
| Humerus | 2 | 2 | 1 |
| Femur | 3 | 2 | 2 |
| Age (years) | 28.1 (5.9) | 31.4 (7.1) | 32.2 (5.7) |
| Time after injury (months) | 6–11 | 0.5 (0.5) | 8.5 (3.4) |
| OPG (ng/ml) | 0.56 (0.11) | 0.29 (0.09)* | 0.26 (0.04)* |
| Free RANKL (pmol/l) | 0.08 (0.09) | 0.16 (0.07) | 0.10 (0.07) |
| BAP (UI/l) | 24.46 (5.99) | 31.56 (17.67) | 24.21 (7.13) |
| OC (ng/ml) | 7.27 (3.95) | 8.60 (4.47) | 8.45 (2.94) |
* P < 0.001 versus nonunion