Clinical and functional predictors of mortality in octogenarians: limitations of the Fried frailty phenotype for risk stratification
Abstract Objective To evaluate frailty as a predictor of mortality in octogenarians. Methods This retrospective cohort study included individuals aged 80 years or older who were followed from 2016–2018 through 2024–2025. Sociodemographic, clinical, and functional variables, including the presence of frailty, were analy...