Fig. 3From: Videolaryngoscopy versus direct laryngoscopy for double-lumen endotracheal tube intubation in thoracic surgery - a randomised controlled clinical trialDuration of successful completion of DLT intubation between direct laryngoscopy (DL) and videolaryngoscopy (GVL). Legend:boxplot x-axis: methods Macintosh-DL (green) and GlideScope-VL (blue), y-axis: Duration of successful DLT intubation in secondsBack to article page