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Case series · 1961
Anecdotalcounts toward this tierThe etiology of chondromalacia patellae
Outerbridge RE · The Journal of Bone and Joint Surgery. British Volume
Anecdotalcounts toward this tier
Origin of the Outerbridge I-IV grading (softening, fissuring <1/2 inch, fissuring >1/2 inch, exposed bone) still quoted in operative reports 60+ years later.
- Population
- Knees examined at open surgery (historical series)
- Intervention
- N/A — descriptive; introduced the Outerbridge grades I-IV for cartilage damage
- Comparator
- None
- Limitations
- 1961 descriptive surgical series about the patella specifically; grading later generalized to the whole knee without formal validation.
Cited by
1 page cites this study. No entry does — nothing here is a treatment claim.
- Your grade: what the number means, and what it doesn't
Reference page · Two scales, one report