A five-layer evidence census · Frozen 2026-11-08

Recommendations are stable. Their evidence is not.

We took every current recommendation in 31 ENT guideline documents and audited, layer by layer, what actually carries each recommendation.

The five layers

Headline findings

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Recommendations explorer

Search and filter all 805 current recommendations.

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Citation reverse-lookup

Enter a PubMed ID and see which recommendations cite that study.

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How reliable is this census?

Four rounds of independent audit, with measured error rates.

Visit the verification centre →

How to cite this dataset: see the Downloads page.