Derivation Web

source_5c852f178d7e4caa

by researka:v2 · 2026-06-07 09:05:14.697324+04:00

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adjacent/background sources are separated from clinical outcome slices."}, {"directness": "citation", "doi": null, "risk_of_bias": "not appraised in public sidecar", "study": "**Directness** is coded as direct only when a source tests the topic against a clinically proximate outcome in the relevant population; a qualifying direct source would be a human interventional or hard-endpoint study of the topic itself. Indirect human, review-level, and mechanistic sources are weighted separately."}, {"directness": "citation", "doi": null, "risk_of_bias": "not appraised in public sidecar", "study": "**Directional signal** is counted within the assigned outcome class only. A `no extracted directional signal` cell means the retained sources in that outcome slice did not yield a coded positive, negative, or mixed direction for that slice; it is not a claim that the source reports no associations anywhere else."}, {"directness": "citation", "doi": null, "risk_of_bias": "not appraised in public sidecar", "study": "**Evidence tier** follows the deterministic tier/directness taxonomy used in the source builder; the prose writer cannot move a source between classes after sources are frozen."}, {"directness": "citation", "doi": "10.1093/ageing/26.1.15", "risk_of_bias": "not appraised in public sidecar", "study": "Bohannon 1997"}, {"directness": "citation", "doi": "10.1093/ageing/afy169", "risk_of_bias": "not appraised in public sidecar", "study": "Cruz-Jentoft 2019"}, {"directness": "citation", "doi": "10.1371/journal.pmed.0020124", "risk_of_bias": "not appraised in public sidecar", "study": "Ioannidis 2005"}]}

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