Retrospective Study
Copyright ©The Author(s) 2018.
World J Anesthesiol. Mar 27, 2018; 7(1): 1-9
Published online Mar 27, 2018. doi: 10.5313/wja.v7.i1.1
Figure 2
Figure 2 Change in intubation method of predicted difficult airways before and after introduction of video laryngoscopes. P value calculated with χ2 test of equal proportion. VL: Vodeo laryngoscope; FOI: Fiberoptic intubation; DL: Direct laryngoscopy.