Factors Associated with Invasive Mechanical Ventilation Requirement in Older ICU Patients: The Roles of Frailty, Comorbidity, and Acute Illness Severity
Background/Objectives: Invasive mechanical ventilation (IMV) in older intensive care unit (ICU) patients represents a critical turning point in disease trajectory. While acute illness severity is a key determinant of IMV, the independent contributions of frailty and comorbidity remain uncertain. This study evaluated wh...