Fig. 2From: The effect of pressure support on imposed work of breathing during paediatric extubation readiness testingDifference in imposed work of breathing (∆WOBimp) expressed in Joules/L during extubation readiness testing using continuous positive airway pressure (CPAP) with or without added pressure support (PS) stratified by endotracheal tube (ETT) size. Data are shown as median (IQR)Back to article page