Risk factors and a predictive model for delayed extubation in children undergoing primary repair of tetralogy of Fallot: a retrospective cohort study with rigorous methodological validation
Objective To identify independent risk factors for delayed extubation (mechanical ventilation 48 h) following primary Tetralogy of Fallot (TOF) repair and to develop a rigorously validated predictive model for clinical use. Methods A retrospective cohort study was conducted involving 189 children treated at Henan Chest...