{"doi":"10.1002/dad2.12048","title":"Diagnosed prevalence of Alzheimer's disease and related dementias in Medicare Advantage plans","abstract":"INTRODUCTION: One-third of Medicare beneficiaries are enrolled in Medicare Advantage (MA). Yet, little is known about MA beneficiaries diagnosed with Alzheimer's disease (AD) and AD-related dementias (AD/ADRD). METHODS: We calculated the prevalence of AD/ADRD diagnoses in 2014 and 2016 in three MA plans. We determined the demographic characteristics of beneficiaries diagnosed with AD/ADRD, and whether they disenrolled from the MA plan for any reason within 364 days from the index date. RESULTS: In 2014 and 2016, the overall prevalence of AD/ADRD diagnoses was 5.6% and 6.5%, respectively. In 2016, AD/ADRD beneficiaries were on average 82.4 (SD = 7.4) years of age, 61.8% female, and had multiple comorbidities. By 364 days post-index date, 32% of beneficiaries with AD/ADRD had disenrolled from their plan. The demographic characteristics of 2014 beneficiaries with diagnosed AD/ADRD were similar to their 2016 counterparts. DISCUSSION: The prevalence of AD/ADRD diagnosis in MA is lower than rates reported in Medicare fee-for-service.","journal":"Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring","year":2020,"id":99268,"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":30,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.5909,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2020-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":402071,"name":"Julie Bynum","orcid":"0000-0003-1481-4462","position":1,"is_corresponding":false},{"id":312977,"name":"Susan L. Mitchell","orcid":null,"position":2,"is_corresponding":false},{"id":420642,"name":"Noelle M. Cocoros","orcid":"0000-0001-7090-2761","position":3,"is_corresponding":false},{"id":448893,"name":"Oren Shapira","orcid":"0009-0009-5927-1335","position":4,"is_corresponding":false},{"id":32055,"name":"Kevin Haynes","orcid":"0000-0002-7087-9159","position":5,"is_corresponding":false},{"id":489620,"name":"Vinit Nair","orcid":null,"position":6,"is_corresponding":false},{"id":488713,"name":"Cheryl N. McMahill‐Walraven","orcid":"0000-0002-3765-6527","position":7,"is_corresponding":false},{"id":488714,"name":"Richard Platt","orcid":"0000-0002-3248-3583","position":8,"is_corresponding":false},{"id":270249,"name":"Ellen P. McCarthy","orcid":"0000-0003-1705-6249","position":9,"is_corresponding":false},{"id":367229,"name":"Eric Jutkowitz","orcid":"0000-0002-1735-8434","position":0,"is_corresponding":true}],"reference_count":18,"raw_metadata":null,"created_at":"2026-07-18T22:37:35.547042Z","pmid":"32647744","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":[]}