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The configured source value 7 is provenance only and must never be described as the number of platforms studied.","The finalrankingtable is the sole authority for rank, platform mentions, platform share, average rank, and best rank. Ignore any conflicting value embedded in a entity evidence bundle.","The Consensus Ranking table must contain exactly one row per finalrankingtable entity, in that order, using that exact entityname. Never split one ranked entity into two product, model, SKU, or product-line rows, and never add another ranking row for a brand already listed. Put recommended products or plans inside that entity's ranked section.","Platform mentions count only ranking-discovery mentions. Do not substitute the number of platforms that later completed a fit assessment.","Citation IDs inside each entity bundle are local to that entity. Consolidate sources by URL using the supplied source catalog.","The URLs were collected from platform responses and were not independently validated by either writer stage.","Each fitreviewurlorplaceholder is the final site-relative CMS path for that entity's review. Link the entity name to that exact path exactly once in its ranked prose section, outside tables and headings. Never replace it with a run ID, report ID, UUID, or local output path.","Use the exact entity-namespaced citation IDs from the source catalog (e.g. e1:); never transfer a citation between entities."],"methodology":{"fit_rating_contract":["strong","good","mixed","weak","uncertain"],"included_valid_platform_count":7,"maximum_finalists":10,"minimum_mentions":2,"name":"Aging in Place Index cross-platform AI consensus analysis","platforms_included":["anthropic","deepseek","google","grok","kimi","openai","perplexity"],"platforms_queried":["openai","anthropic","deepseek","grok","perplexity","kimi","google"],"stages":["ranking_discovery","fit_assessment","normalization","editorial_synthesis"],"version":"alias-table-1"},"provenance":{"generated_at":"2026-09-27 14:09:28.570978+00","research_date":"2026-09-27","source_snapshot_sha256":"9bd9065e5989dc6ce61802f7bcf25a75ff4b0b10a832e660f2d44651424a1446","verification_scope":"public_verification"},"ranking":{"candidates_evaluated":18,"qualified_finalists":10,"ranking_unit":"In-home system model and service provider"},"schema_version":4,"summary":"Medical Guardian MGHome Cellular leads the September 2026 consensus ranking for In-Home Base Station Coverage, followed by Bay Alarm Medical SOS Home and LifeFone At-Home Cellular With Fall Detection. The current study includes 7 valid AI-platform responses and 10 qualifying entities. Compared with August 2026, the leader changed. The current list added Medical Guardian MGHome Cellular, LifeFone At-Home Cellular With Fall Detection, ADT Medical Alert In-Home, LifeStation Sidekick Home, Life Alert (Home Plan), Aloe Care Essentials Plus, Lifeline HomeSafe with AutoAlert, and Medical Alert…","target_buyer":"Seniors who spend most of their time at home and want reliable emergency response coverage throughout the house and yard","topic":{"base_category":"Medical alert systems","category_criteria":["Base station range","pendant range","landline/cellular setup options","two-way speaker clarity","backup battery life","fall-detection add-on cost","monitoring center reliability"],"geography":"United States","slug":"best-in-home-medical-alert-systems","title":"Best In-Home Medical Alert Systems","use_case":"In-Home Base Station Coverage"}}