{"doi":"10.1002/dad2.70051","title":"Hospitalization outcomes among older adults living undiagnosed or unaware of dementia","abstract":"INTRODUCTION: Many persons with dementia are undiagnosed or unaware of dementia, which may affect hospitalization outcomes. METHODS: We evaluated differences in length of stay, days not at home, discharge destination, and 30-day readmissions over 1 year in 6296 older adults in the National Health and Aging Trends Study with linked Medicare claims. Multivariable-adjusted models compared outcomes across no dementia, undiagnosed dementia, unaware but diagnosed with dementia, and aware and diagnosed with dementia. RESULTS: Persons with undiagnosed dementia had longer length of stay and were more likely to be discharged to a facility (44.8% vs. 19.3%) compared to no dementia; differences persisted in multivariable models. Persons undiagnosed or unaware experienced outcomes similar to persons aware and diagnosed except for more 30-day readmissions in the undiagnosed (adjusted odds ratio [95% confidence interval] 2.05 [1.01, 4.16]). DISCUSSION: Persons undiagnosed or unaware of dementia experience worse hospitalization outcomes, suggesting potential clinically significant implications of unrecognized dementia. Highlights: Persons with undiagnosed versus no dementia have worse hospitalization outcomes.Persons with undiagnosed dementia have more 30-day readmissions compared to persons diagnosed.Lack of clinician or family recognition of dementia may adversely affect hospitalization outcomes.","journal":"Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring","year":2025,"id":540097,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":2,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9482,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1294308,"name":"Vishaldeep K. Sekhon","orcid":null,"position":1,"is_corresponding":false},{"id":353462,"name":"Jennifer L. Wolff","orcid":"0000-0002-7898-3903","position":2,"is_corresponding":false},{"id":776053,"name":"Quincy M. Samus","orcid":"0000-0001-8218-7769","position":3,"is_corresponding":false},{"id":262942,"name":"David L. Roth","orcid":"0000-0003-2105-0536","position":4,"is_corresponding":false},{"id":1427537,"name":"Halima Amjad","orcid":"0000-0002-0642-6956","position":0,"is_corresponding":true}],"reference_count":46,"raw_metadata":null,"created_at":"2026-07-19T02:52:34.520788Z","pmid":"39822288","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}