Summary: For patients with chronic patellofemoral pain syndrome (PFPS),  treatment with an 8-week home exercise program appears to lead to the same improvement in pain and function at 9 months as treatment with knee arthroscopy + an 8-week home exercise program, but the exercise-only approach is associated with significantly lower costs.

https://www.ncbi.nlm.nih.gov/m/pubmed/18078506/

Strength of Recommendation = B

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