Table 4.
Radiographic callus area (mm2) with OP-1 application in prednisolone-treated and placebo fractured femurs at 10, 28, and 42 days postfracture
| Days | Treatment group | Mean | SD | p Value |
|---|---|---|---|---|
| 10 | Prednisolone/OP-1 and collagen | 107.56 | 11.13 | 0.07 |
| Placebo/OP-1 and collagen | 123.7 | 14.68 | ||
| 28 | Prednisolone/OP-1 and collagen | 85.0 | 16.9 | 0.04 |
| Placebo/OP-1 and collagen | 69.7 | 12.1 | ||
| 42 | Prednisolone/OP-1 and collagen | 70.55 | 11.22 | 0.81 |
| Placebo/OP-1 and collagen | 72.32 | 8.64 |
OP-1 = osteogenic protein 1; SD = standard deviation.