Does a multimodal educational intervention involving pre-intern 'hand hygiene covert observers' improve hand hygiene compliance among medical interns?

Antimicrob Resist Infect Control · 2025 · PMC12859895 · PMID 41457241

Europe PMC DOI

hedged sentences

0.0510

closest p · 1.0× alpha

0.0510

boldest claim

The sentences

did not reach statistical significancep = 0.051so close (0.05 < p ≤ 0.1)

While this result approached but did not reach statistical significance (p = 0.051), a post-hoc power analysis, which revealed a statistical power of 49.5%, suggests the study was underpowered and insufficient to detect an actual effect of this magnitude.

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an encouraging trendno p-value reported

Our primary analysis revealed an encouraging trend, with the intervention group (cohort B) demonstrating an 8% absolute increase in compliance compared to the historical control group (cohort A).

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