Placebo Effect Sizes in Clinical Trials of Knee Osteoarthritis Using Intra-Articular Injections of Biologic Agents.

Arthritis Care Res (Hoboken) · 2025 · PMC12307098 · PMID 40105673

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did not reach statistical significanceno p-value reported

The difference in pain reduction did not reach statistical significance within the subcategories of oral or topical treatments.

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