Other independent variables
respiratory failure, Agitation
RESPIRATORY FAILURE

Patient demographics: Age, sex, race/ethnicity, relative socio-economic deprivation using a modified Singh area deprivation index [Clinical data: Vital signs, respiratory failure etiology, APACHE IV score, laboratory results, medications (e.g., sedation and analgesic doses), and Richmond Agitation and Sedation ScaleVentilator data: Ventilator settings and contraindications for SAT/SBT