Incidence of dementia over a period of 20 years in a Norwegian population

被引：4
|
作者：
Johnsen, Bente [1 ,2 ,6 ]
Martinaityte, Ieva [1 ,2 ]
Wilsgaard, Tom [3 ]
Schirmer, Henrik [4 ,5 ]
机构：
[1] UiT Arctic Univ Norway, Dept Clin Med, Tromso, Norway
[2] Univ Hosp North Norway, Dept Geriatr Med, Tromso, Norway
[3] UiT Arctic Univ Norway, Dept Community Med, Tromso, Norway
[4] Akershus Univ Hosp, Dept Cardiol, Lorenskog, Norway
[5] Univ Oslo, Inst Clin Med, Oslo, Norway
[6] Univ Hosp North Norway, Dept Geriatr Med, PO100, N-9038 Tromso, Norway
来源：
ALZHEIMER'S & DEMENTIA: DIAGNOSIS, ASSESSMENT & DISEASE MONITORING | 2023年 / 15卷 / 04期
关键词：
dementia; incidence; Norway; prevalence; UNITED-STATES; PREVALENCE; TRENDS; TROMSO;
D O I：
10.1002/dad2.12479
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
INTRODUCTIONIn Norway, the prevalence of dementia is higher than in demographically comparable, high income countries, but reliable incidence studies are lacking. This study calculated the incidence of age-specific dementia from 2000 to 2019.METHODSParticipants from The Tromso Study (n = 44,214) were included. Participants with a dementia diagnosis (n = 2049 cases) were identified. Poisson regression was used to calculate age-specific yearly and 5-year incidence rates from 2000 to 2019.RESULTSThe incidence of dementia has decreased from 2000 to 2019. The trend was highly significant for ages of 60-99 years, and was similar for both sexes.DISCUSSIONThe incidence of dementia in North Norway has decreased over the past two decades similar to that in Western countries, indicating that the total prevalence is increasing due to an aging population. This decrease of incidence could introduce a reduction in future estimation of dementia prevalence.
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页数：7
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