Assessment of Subepidermal Low-Echogenic Band via High-Frequency Ultrasound for Evaluating the Efficacy of Platelet-Rich Plasma Injection in Treating Facial Skin Photoaging: A Case Series.

J Cosmet Dermatol · 2026 · PMC12816944 · PMID 41555709

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 the differences between regions did not reach statistical significance ( p > 0.05), the observed effect sizes were large, and the numerical trend suggests the greatest improvement in the infraorbital area.

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