Efficacy and Safety of Platelet-Rich Plasma in Knee Osteoarthritis: Umbrella Meta-Analysis Based on Clinical Evidence, Methodological Quality and Therapeutic Positioning.

Clin Pract · 2026 · PMC13115077 · PMID 42041952

Europe PMC DOI

hedged sentence

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closest p · 1.0× alpha

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boldest claim

The sentences

did not reach statistical significancep > 0.05actually significant

Although Egger’s regression test did not reach statistical significance ( p > 0.05), we acknowledge that it is underpowered for a sample size of n < 10.

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