Fig. 2. Box and whisker plots illustrating time to tracheal intubation (TTI) in seconds with direct laryngoscopy with a miller blade (DL) and with the GlideScope Cobalt® video laryngoscope (GCV). The heavy horizontal line within the box represents the median time and the outer horizontal lines of the box represent the 25th and 75th quartiles. The horizontal lines of the whiskers represent the 95% CIs.