Impact of frailty and older age on weaning from invasive ventilation: a secondary analysis of the WEAN SAFE study.

Objective: To understand the impact of both frailty and chronologic age on outcomes of weaning from invasive mechanical ventilation (MV).

Methods: The study population consisted of patients enrolled in the 'WorldwidE. AssessmeNt of Separation of pAtients From ventilatory assistancE (WEAN SAFE) study.