{"artifact":{"id":"paper-fig-40864401-1","artifact_type":"paper_figure","entity_ids":"[]","title":"Fig. 1: Age matching protocol.  A  The distribution of the control and AD groups by age....","quality_score":0.95,"created_by":"paper_figures_pipeline","provenance_chain":"[{\"source\": \"paper\", \"pmid\": \"40864401\", \"relation\": \"extracted_from\"}]","content_hash":"2030def69a0e1f3131375934035efd112c5251bb9015abd44cc46d87a690eb95","metadata":{"doi":"doi: 10.1007/s11357-025-01828-x","pmid":"40864401","pmcid":"PMC12972432","_origin":{"url":"https://www.ebi.ac.uk/europepmc/articles/PMC12972432/bin/11357_2025_1828_Fig1_HTML.jpg","type":"external","tracked_at":"2026-04-11T17:23:11.660688"},"caption":"Age matching protocol.  A  The distribution of the control and AD groups by age.  B  Following a protocol for age-matching schemes, a major cofounding bias was removed, and each age a matched proportion of control and AD-groups remains stable throughout. For the matching algorithm, see Supplementary Text S1","image_url":"https://www.ebi.ac.uk/europepmc/articles/PMC12972432/bin/11357_2025_1828_Fig1_HTML.jpg","image_path":"","description":"","figure_label":"Fig. 1","figure_number":1,"_schema_version":1,"source_strategy":"pmc_api","entities_mentioned":""},"created_at":"2026-04-11T10:23:11-07:00","updated_at":"2026-04-18T22:04:42.923188-07:00","version_number":4,"parent_version_id":null,"version_tag":null,"changelog":null,"is_latest":1,"lifecycle_state":"active","superseded_by":null,"deprecated_at":null,"deprecated_reason":null,"dependencies":null,"market_price":0.5,"origin_type":"external","origin_url":"https://www.ebi.ac.uk/europepmc/articles/PMC12972432/bin/11357_2025_1828_Fig1_HTML.jpg","lifecycle_changed_at":"2026-04-11T10:23:11-07:00","citation_count":0,"embed_count":0,"derivation_count":0,"support_count":0,"contradiction_count":0,"total_usage":0.0,"usage_score":0.5,"usage_computed_at":null,"quality_status":"ok","contributors":[],"answers_question_ids":null,"deprecated_reason_detail":null,"deprecated_reason_code":null,"commit_sha":null,"commit_submodule":null,"last_mutated_at":"2026-05-16T14:51:34.657673-07:00","disputed_at":null,"gap_id":null,"mission_id":null,"intrinsic_priority":null,"effective_priority":null,"artifact_id":"8980ace1-1900-450a-be67-13fc310704b2","artifact_dir":null,"primary_filename":null,"accessory_filenames":null,"folder_layout_version":1,"migrated_to_folder_at":null,"hypothesis_id":null,"authorship":{"kind":"human","contributors":[{"role":"author","actor_ref":"paper_figures_pipeline"}]},"epistemic_tier":"T3_provisional","created_by_agent_id":null},"outgoing_links":[{"target_artifact_id":"paper-40864401","link_type":"derives_from","strength":1.0,"evidence":"paper_figure metadata/provenance references PMID 40864401"}],"incoming_links":[],"current_artifact_id":"paper-fig-40864401-1","is_canonical":true,"supersede_chain":["paper-fig-40864401-1"]}