Fig. 3

First choice invasive ventilation strategy for weaning preterm infants from mechanical ventilation. IMV = Intermittent Mandatory Ventilation; IPPV/CMV = Intermittent Positive Pressure Ventilation/Continuous Mandatory Ventilation; SIMV = Synchronized Intermittent Mandatory Ventilation; SIPPV/AC = Synchronized Intermittent Positive Ventilation/Assist-Control; PSV = Pressure Support Ventilation; PAV = Proportional Assist Ventilation; NAVA = Neurally Adjusted Ventilatory Assist; HFOV = High Frequency Oscillatory Ventilation; VG = Volume Guarantee. Numbers express the percentage of responding centers