Efficacy of Platelet Rich Plasma Versus Placebo for Improvement in Olfactory Function in Adults With Olfactory Dysfunction: A Systematic Review and Meta-Analysis.

Laryngoscope Investig Otolaryngol · 2025 · PMC12705899 · PMID 41409322

Europe PMC DOI

hedged sentences

0.0500

closest p · 1.0× alpha

0.2000

boldest claim

The sentences

marginally significantp = 0.05actually significant

Among participants with a mean age under 40 years (Steffens 2022 and Evman 2023), PRP treatment resulted in a marginally significant improvement in olfactory function compared to controls (SMD = 2.10, 95% CI: 0.00 to 4.20, p = 0.05).

also in 26,082 other papers

did not reach statistical significancep = 0.20not close (p > 0.1)

The test for subgroup differences did not reach statistical significance ( p = 0.20), although the overall trend suggests that younger individuals may derive greater benefit from PRP therapy.

also in 111,027 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.