Clinical Study
Prospective Trial to Compare Direct and Indirect Laryngoscopy Using C-MAC PM® with Macintosh Blade and D-Blade® in a Simulated Difficult Airway
Table 3
Improvement of ETI.
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Since only changes based on Cormack-Lehane grades 3 and 4 were examined and not changes based on grades 2a, 2b, and 1, this table shows differently evaluated numbers of analyzed patients. Data dichotomized into improvement or no improvement when changing technique or blade. p value calculated using Fisher’s exact test. Level of significance p < .05. Improvement = change from poor to good view. No improvement = persistent poor view. DM = direct laryngoscopy Macintosh blade. VM = videolaryngoscopy Macintosh blade. VD = videolaryngoscopy D-Blade. |