Diagnostic Accuracy of 2 cm Versus 4 cm Insertion Depth for Nasal Swabs for SARS-CoV-2 Rapid Antigen Testing-A Randomized Controlled Trial.

Diagnostics (Basel) · 2026 · PMC13114395 · PMID 42072850

Europe PMC DOI

hedged sentence

0.3400

closest p · 6.8× alpha

0.3400

boldest claim

The sentences

did not reach statistical significancep ≈ 0.34not close (p > 0.1)

The observed difference in diagnostic sensitivity between the two insertion lengths was smaller than expected (8.1 percent points) and did not reach statistical significance (approximate two-sided p ≈ 0.34).

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