| http://www.w3.org/ns/prov#value | - Using a continuous measure, we document that frailty is progressive in some older persons and that its rate of progression is associated with mortality.Keywords: Frailty, Sarcopenia, Aging, MortalityINTRODUCTIONPhysical frailty is a heterogeneous condition characterized by impaired strength, gait and balance, body composition, and fatigue (Ferrucci et al., 2004).
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