• Natacha Coelho-Guimarães, J Antonio Garcia-Casal, Sofía Díaz-Mosquera, María Álvarez-Ariza, Fernando Martínez-Abad, and Raimundo Mateos-Álvarez.
• Médicina de Familia y Comunitaria, Servicio Canario de Salud (SCS). Área de Tenerife, Santa Cruz de Tenerife, España.
• Aten Primaria. 2021 May 1; 53 (5): 102024.

ObjectiveTo validate Rowland Dementia Assessment Scale (RUDAS), as an instrument for the screening of people with dementia and cognitive impairment in Primary Health Care (PHC). RUDAS is a brief cognitive test, appropriate for people with minimum completed level of education and easily adaptable to multicultural contexts. For these reason it could be a good instrument for dementia screening in PHC.DesignCross-sectional descriptive epidemiological study with a five-year follow up.LocationO Grove PHC centre, Galicia, Spain (covering a population of 10,650 individuals).Outcome MeasuresRUDAS; Mini Mental State Examination; Clinical Dementia Rating; Katz, Barthel and Lawton Indexes; MMSE and Yesavage Geriatric Depression Scale.ParticipantsA total of 150 older adults (mean age 76.35±7.12years) randomly selected, from a low sociocultural and economical background and mainly rural and semirural origin.InterventionRUDAS viability in PHC was checked, and its psychometric properties assessed: reliability, sensitivity, specificity, positive and negative predictive values.ResultsRUDAS application was brief (7.58±2.10min) and well accepted. RUDAS area under receiver operating characteristic (ROC) curve for the detection of dementia was 0.983 (95% confidence interval (CI): 0.97-1.00) for an optimal cut-off point of 22.5, with sensitivity of 89.3%, and a specificity of 100%. Area under ROC curve for discriminating dementia from mild cognitive impairment was 0.965 (95%CI: 0.91-1.00).ConclusionsRUDAS test is fit for dementia screening in PHC and it is especially sensitive to discriminate PWD from people with MCI.Copyright © 2021 The Authors. Publicado por Elsevier España, S.L.U. All rights reserved.

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