Utility of a Modified Oropharyngeal Airway for Performing Tracheal Intubation Using a Fiberoptic Bronchoscope and Video Stylet: A Randomized Crossover Trial Using a Manikin

Figure 4

Kaplan–Meier plot of devices with or without use of modified airway. FOB: fiberoptic bronchoscope; VS: video stylet; MA: modified airway. (a) FOB + MA vs. FOB, (b) VS + MA vs. VS, (c) VS vs. FOB, and (d) VS + MA vs FOB + MA.

(a)

(b)

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(d)