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Frequency of structural outcomes*
| Lateral PFJ | |
| Cartilage damage | 642/1760 (36%) |
| BMLs | 379/1761 (22%) |
| Medial PFJ | |
| Cartilage damage | 848/1760 (48%) |
| BMLs | 343/1761 (19%) |
Outcomes combine the scores from the patella and trochlea, as described in methods. Missing values for 2 regions for lateral and medial cartilage damage and 1 region for lateral and medial BMLs.
