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. 2019 Jul;15(7):917-926.
doi: 10.1016/j.jalz.2019.03.017. Epub 2019 Jun 4.

Incidence and characteristics of uncommon dementia subtypes: Results from 10 years of clinical surveillance by the Registry of Dementia of Girona

Laia Calvó-Perxas  1 , Olga Belchí  2 , Antoni Turon-Estrada  3 , Cecile Van Eendenburg  4 , Marta Linares  5 , Marta Viñas  6 , Anna Manzano  7 , Oriol Turró-Garriga  8 , Joan Vilalta-Franch  9 , Josep Garre-Olmo  10 ; Registry of Dementia of Girona Study Group (ReDeGi Study Group
Collaborators, Affiliations

Incidence and characteristics of uncommon dementia subtypes: Results from 10 years of clinical surveillance by the Registry of Dementia of Girona

Laia Calvó-Perxas et al. Alzheimers Dement. 2019 Jul.

Abstract

Introduction: Age- and sex-stratified incidence rates of uncommon dementia subtypes are imprecise and scarce.

Methods: We used data from 7357 newly diagnosed individuals aged between 30.6 and 101.0 years from the Registry of Dementia of Girona during 2007-2016 to determine the incidence rates of uncommon dementia subtypes stratified by sex and age groups and to describe their clinical characteristics.

Results: Uncommon dementia subtypes were classified according to their etiology. The incidence rate of uncommon dementia subtypes was 27.8 cases per 100,000 person-years for those aged 30 years and older, 3.7 cases per 100,000 person-years for people aged less than 65 years, and 110.9 per 100,000 person-years for those aged 65 years and older. Age, sex, dementia severity, and medical comorbidities were different depending on the dementia subtype.

Discussion: There are differences in the incidence rates and the demographic and clinical characteristics among uncommon dementia subtypes for age and sex groups.

Keywords: Epidemiology; Incidence; Uncommon dementia.

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