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oai:uvadoc.uva.es:10324/80642021-06-23T11:41:52Zcom_10324_1179com_10324_931com_10324_894col_10324_1306

00925njm 22002777a 4500 dc Tola Arribas, Miguel Ángel author Yugueros Fernández, María Isabel author Garea García-Malvar, María José author Ortega Valín, Fernando author Cerón Fernández, Ana Isabel author Fernández Malvido, Beatriz author San José Gallegos, Antonio author González Touya, Marta author Botrán Velicia, Ana author Iglesias Rodríguez, Vanessa author Díaz Gómez, Bárbara author 2013 To describe the prevalence of dementia and subtypes in a general elderly population in northwestern Spain and to analyze the influence of socio-demographic factors. Methods: Cross-sectional, two-phase, door-to-door, population-based study. A total of 870 individuals from a rural region and 2,119 individuals from an urban region of Valladolid, Spain, were involved. The seven-minute screen neurocognitive battery was used in the screening phase. A control group was included. Results: A total of 2,170 individuals aged 65 to 104 years (57% women) were assessed. There were 184 subjects diagnosed with dementia. The crude prevalence was 8.5% (95% CI: 7.3-9.7). Age- and sex-adjusted prevalence was 5.5 (95% CI: 4.5-6.5). Main subtypes of dementia were: Alzheimer’s disease (AD) 77.7%, Lewy Body disease, 7.6% and vascular dementia (VD) 5.9%. Crude prevalences were 6.6% (AD), 0.6% (Lewy Body disease), and 0.5% (VD). Dementia was associated with age (OR 1.14 for 1-year increase in age), female sex (OR 1.79) and the absence of formal education (OR 2.53 compared to subjects with primary education or more). Conclusion: The prevalence of dementia in the study population was lower than the most recent estimates for Western Europe. There was a high proportion of AD among all dementia cases and very low prevalence of VD. Old age, female sex, and low education level were independent risk factors for dementia and AD. Plos One, Octubre 2013, vol 8 (10) 1932-6203 http://uvadoc.uva.es/handle/10324/8064 10.1371/journal.pone.0077688 Plos One 8 Personas de edad - Enfermedades mentales Prevalence of dementia and subtypes in Valladolid, northwestern Spain: The deminvall study