vida: extract claims from 2026-05-09-pmc12726400-burden-of-proof-social-isolation-dementia

- Source: inbox/queue/2026-05-09-pmc12726400-burden-of-proof-social-isolation-dementia.md
- Domain: health
- Claims: 0, Entities: 0
- Enrichments: 2
- Extracted by: pipeline ingest (OpenRouter anthropic/claude-sonnet-4.5)

Pentagon-Agent: Vida <PIPELINE>

domains/health/loneliness-independently-increases-dementia-risk-19-31-percent-after-depression-adjustment-with-vascular-dementia-showing-strongest-association.md

@@ -24,3 +24,10 @@ Crucially, including cardiovascular risk factors (diabetes, hypertension, obesit
 The cause-specific analysis reveals differential effects: Alzheimer's disease HR = 1.393 (95% CI 1.290-1.504) versus vascular dementia HR = 1.735 (95% CI 1.483-2.029). The stronger vascular dementia association suggests inflammatory/vascular mechanisms rather than amyloid/tau pathways as the primary mediator.
 
 This evidence base is stronger than prior estimates: the WHO's "50% elevated risk" figure comes from specific social frailty studies, while this larger, more rigorous analysis gives 19-31% depending on adjustment strategy. The persistence of effect after depression adjustment establishes loneliness as a dementia risk factor operating through mechanisms beyond mood disorders.
+
+
+## Challenging Evidence
+
+**Source:** Burden of Proof study group, PMC12726400, 41 studies from 1,225 screened
+
+Burden of Proof methodology (designed to correct for publication bias and systematic biases in observational studies) finds social isolation → dementia association has mean RR 1.29 (95% UI 0.98–1.71) — confidence interval CROSSES 1.0, classifying this as 'possible but uncertain' association. Only 'lack of social activity' sub-measure shows CI that does not cross null (RR 1.34, 95% UI 1.05–1.71). This contrasts with standard meta-analysis finding HR 1.189 after depression adjustment. The BoP methodology's greater conservatism (specifically correcting for biases that inflate observational estimates) explains the gap between methods.

inbox/archive/health/2026-05-09-pmc12726400-burden-of-proof-social-isolation-dementia.md

@@ -7,10 +7,13 @@ date: 2025-01-01
 domain: health
 secondary_domains: []
 format: research
-status: unprocessed
+status: processed
+processed_by: vida
+processed_date: 2026-05-09
 priority: high
 tags: [social-isolation, dementia, burden-of-proof, GBD-methodology, evidence-quality, non-clinical-determinants]
 intake_tier: research-task
+extraction_model: "anthropic/claude-sonnet-4.5"
 ---
 
 ## Content