• Beatriz Contreras-Escámez, Mikel Izquierdo, Arkaitz Galbete Jiménez, Marta Gutiérrez-Valencia, Bernardo A Cedeno-Veloz, and Nicolás Martínez-Velilla.
• Servicio de Geriatría, Complejo Hospitalario de Navarra, Pamplona, Navarra, España; Navarrabiomed-Departamento de Salud-Universidad Pública de Navarra, Pamplona, España. Electronic address: beatriz.contreras.escamez@navarra.es.
• Med Clin (Barc). 2020 Jul 10; 155 (1): 18-22.

Background And ObjectivesThere are multiple frailty detection tools, but they have not been specifically developed for the institutionalised population. The aim of this study is to ascertain at 3-year follow-up which tool predicts functional impairment and mortality most precisely.MethodsLongitudinal cohort study with 110 patients in Pamplona (Navarra)>65 years. Four frailty tools were applied (Fried Criteria, Rockwood Frailty Scale, FRAIL-NH and Imputed Fried Frailty Criteria). The power of the association between the scales and the results was assessed by linear regression and Cox's analyses.Results46.5% of the sample died during time to follow-up, 68% of whom died in their nursing home, with 43-month mean survival. Of the studied population, 71.3% showed disability at 3 years, especially the frail subjects. The robust patients had longer hospitalizations (m=3.4 days) than the frail. Imputed Fried and FRAIL-NH found statistically significant differences between groups for the variables studied. Imputed Fried Frailty Criteria showed a significant HR of death for the frail subjects (HR=3.3).ConclusionsThe Imputed Fried and FRAIL-NH tools showed a higher predictive capability for functional and cognitive decline, but only the Imputed Fried Frailty Criteria found a significant relationship between frailty and mortality.Copyright © 2020 Elsevier España, S.L.U. All rights reserved.

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