ArticleClinical epidemiology2018
Thirty-year trends in dementia: a nationwide population study of Swedish inpatient records.
Article in Clinical epidemiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
24 citing papers in PubMed.
- Trends in Dementia Incidence, Prevalence, and Mortality among Older Hong Kong Chinese, 2005-2019: A Population-Based Study.Neuroepidemiology · 2026Article
- Trends in cognitive impairment among older adults in China from 2002 to 2022: Evaluating the impact of the COVID-19 pandemic.The journal of prevention of Alzheimer's disease · 2026Article
- Secular trends in incidence, survival, and health status at diagnosis of dementia in Sweden, 2007-2022.Alzheimer's research & therapy · 2025Article
- Alzheimer Syndrome or Age-Related Dementia-History, Therapy and Prevention.Journal of clinical medicine · 2025Article
- Generational Differences in Age-Specific Dementia Prevalence Rates.JAMA network open · 2025Article
- Charting Alzheimer's Disease and Dementia: Epidemiological Insights, Risk Factors and Prevention Pathways.Journal of clinical medicine · 2024Review
- Is Alzheimer disease a disease?Nature reviews. Neurology · 2024Review
- Controversial Past, Splendid Present, Unpredictable Future: A Brief Review of Alzheimer Disease History.Journal of clinical medicine · 2024Review
- Decreasing Incidence and Prevalence of Dementia Among Octogenarians: A Population-Based Study on 3 Cohorts Born 30 Years Apart.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Article
- Temporal Dementia and Cognitive Impairment Trends in the Very Old in the 21st Century.Journal of Alzheimer's disease : JAD · 2023Article
- Changes in mortality trends amongst common diseases during the COVID-19 pandemic in Sweden.Scandinavian journal of public health · 2022Article
- Long-term time trends in reactivated herpes simplex infections and treatment in Sweden.BMC infectious diseases · 2022Article
- Exploring changes to resident thriving and associated factors in Swedish nursing homes: A repeated cross-sectional study.International journal of geriatric psychiatry · 2022Article
- Recently decreased association of air pollution with cognitive impairment in a population-based aging cohort and in a mouse model.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2022Article
- Changes in dementia diagnoses in Sweden during the COVID-19 pandemic.BMC geriatrics · 2022Article
- On the Transformation of Genetic Effect Size from Logit to Liability Scale.Behavior genetics · 2021Article
- Sociodemographic and Health-Related Factors Associated with Severity of Cognitive Impairment in Elderly Patients Hospital-ized in a Geriatric Clinic.Brain sciences · 2021Article
- The Effect of Sex and Wealth on Population Attributable Risk Factors for Dementia in South Africa.Frontiers in neurology · 2021Article
- [Diagnosis and treatment of vascular dementia].Zeitschrift fur Gerontologie und Geriatrie · 2020Article
- The physiological roles of tau and Aβ: implications for Alzheimer's disease pathology and therapeutics.Acta neuropathologica · 2020Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe continuous growth of the current dementia epidemic is contingent on the stability of age- and sex-specific trends over time. However, recent evidence suggests declining or stable trends. The aim of this study was to evaluate the real-world changes in the burden of dementia in older adults in Sweden from 1987 to 2016 by estimating age- and sex-specific incidence of dementia diagnosis in hospital inpatient records (dementia incidence). Differences in trends by sex, age, and educational levels were also examined.
methodsThe entire Swedish population aged 65 years and older was followed up from 1987 to 2016. Age-, sex-, and education-stratified dementia incidence rates for every follow-up year were estimated using the National Patient Register. Hazard ratio of receiving a dementia diagnosis in the inpatient records per 1 calendar year increase was estimated with discrete time logistic models with a complementary log-log link.
resultsAfter increase, especially in those >85 years of age, dementia incidence started to decrease in the last 5 years of the study period. After 2011, 1 calendar year increase was associated with lower hazard ratio of receiving a hospital diagnosis of dementia. The decrease had the highest magnitude in 70-74-year-olds (-5.5%), followed by 75-79-year-olds (-4.5%) and 80-84-year-olds (-4.0%). The decrease was present in both sexes and at all educational levels up to 90 years of age. Age was associated with the level of dementia incidence, and the trends differed by age group. Educational gradient was observed. University-educated older adults had the lowest rates of dementia. However, the trend over time did not substantially differ by sex or educational level.
conclusionOur results provide more evidence that dementia incidence may be declining. They also suggest that at least in hospitals, the number of new patients with dementia may decrease in the future.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.