Frailty trends in Catalonia 2017-2021: An epidemiological study with 1.5 million people aged ≥65 years.

Objectives: Knowledge of frailty prevalence and incidence trends over time is essential for planning the necessary health and social resources. The objective of this study was to assess frailty prevalence, incidence, reversibility and mortality rates, and trends for the population aged ≥65 years in Catalonia over the period 2017-2021.

Study Design: Longitudinal epidemiological study.