Fig. 5. Box and whisker plots illustrating the percentage of glottic opening score (POGO) 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 score and the outer horizontal lines of the box represent the 25th and 75th quartiles. The horizontal lines of the whiskers represent the 95% CIs.