There is no consensus on the standard diagnostic criteria of frailty. Two diagnostic criteria, the Fried Phenotype model[1] and the Frailty Index (FI)[2], are the most widely used.
How is frailty diagnosed?
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•Last Updated: May 16, 2025
Frailty diagnosis lacks a standard consensus, but the Fried Phenotype model and the Frailty Index are the two most commonly used diagnostic criteria.