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@ARTICLE{Becker:277997,
      author       = {Becker, Cornelia and Herschung, Lucas and Gomm, Willy and
                      Haenisch, Britta},
      title        = {{D}ementia diagnosis and prescription of antidementia
                      drugs: {A}n analysis of {G}erman claims data (2006-2016).},
      journal      = {Journal of Alzheimer's disease},
      volume       = {104},
      number       = {3},
      issn         = {1387-2877},
      address      = {Amsterdam},
      publisher    = {IOS Press},
      reportid     = {DZNE-2025-00524},
      pages        = {698 - 708},
      year         = {2025},
      abstract     = {BackgroundUse of claims data allows to analyze health
                      service characteristics of dementia, which is one of the
                      most frequent cognitive disorders in Germany and
                      worldwide.ObjectiveThe study aimed at describing the
                      variability in dementia diagnoses and in antidementia drug
                      prescription pattern.MethodsWe analyzed data from a
                      population-based sample of one of the largest German
                      statutory health insurances. The cohort included 30,403
                      patients with incident dementia diagnosis from 2006-2016. We
                      described frequencies, patterns, and interrelations of
                      diagnoses (Alzheimer's disease (AD), vascular dementia,
                      other specific dementia, unspecified dementia (UD),
                      antidementia drugs (ADD), and professional groups. We
                      described switches in diagnostic and medication patterns
                      between index quarter and following quarters, and evaluated
                      the prescriptions in relation to national
                      guidelines.ResultsA total of $87\%$ of patients received a
                      diagnosis of UD in at least one quarter of insurance. In the
                      quarter of incident diagnosis, $14\%$ of patients received
                      more than one diagnostic code of dementia, whereas over the
                      course of observation, the majority of patients received
                      more than one diagnostic code $(61\%).$ Most patients were
                      diagnosed by a general practitioner without involving a
                      specialist. All professional groups primarily made UD
                      diagnoses except specialists who mainly diagnosed AD.
                      Thirty-five percent of all patients and $67\%$ of AD
                      patients were prescribed an ADD at least
                      once.ConclusionsSpecialists made the most specific diagnoses
                      and prescribed most ADDs. A specialist consultation may be
                      advisable, but only $34\%$ of patients visited one. Many AD
                      patients might be left untreated due to underdiagnosis or
                      -treatment.},
      keywords     = {Humans / Germany: epidemiology / Dementia: diagnosis /
                      Dementia: drug therapy / Dementia: epidemiology / Male /
                      Female / Aged / Aged, 80 and over / Nootropic Agents:
                      therapeutic use / Drug Prescriptions: statistics $\&$
                      numerical data / Middle Aged / Cohort Studies / Practice
                      Patterns, Physicians': statistics $\&$ numerical data /
                      Insurance Claim Review / Alzheimer Disease: drug therapy /
                      Alzheimer Disease: diagnosis / Alzheimer Disease:
                      epidemiology / Alzheimer's disease (Other) / aged (Other) /
                      drugs (Other) / epidemiology (Other) / general practice
                      (Other) / Nootropic Agents (NLM Chemicals)},
      cin          = {AG Hänisch},
      ddc          = {610},
      cid          = {I:(DE-2719)1013010},
      pnm          = {354 - Disease Prevention and Healthy Aging (POF4-354)},
      pid          = {G:(DE-HGF)POF4-354},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:40095481},
      doi          = {10.1177/13872877251319468},
      url          = {https://pub.dzne.de/record/277997},
}