Frailty: A key concept to improve older person care.

Frailty is associated with increased hospitalization, hospital length of stay, intensive care unit admission, ED re-presentations, discharge to long-term care, mortality, and healthcare costs The CFS demonstrated higher sensitivity for predicting mortality and, when used in combination with systemic inflammatory response criteria and the Quick Sequential Organ Failure Assessment, improved prognostication than any individual score alone Fernando SM, Guo KH, Lukasik M, Frailty and associated prognosis among older emergency department patients with suspected infection: a prospective, observational cohort study