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Development of radiographic appearances of the central lateral trochlear ridge of the femur from 5 to 18 months
| Classification at 5 months | n | Subsequent development | ||
|---|---|---|---|---|
|
| ||||
| Stationary | Progressed | Resolved | ||
| Grade | ||||
| 0 | 40 | 40 | 0 | 0 |
| 1 | 1 | 0 | 0 | 1 |
| 2 | 2 | 0 | 0 | 2 |
| 3 | 1 | 0 | 0 | 1 |
| 4 | 0 | 0 | 0 | 0 |
| Total | 44 | 40 | 0 | 4 |
n = number of joints.
