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. 2020 May 6;20:34. doi: 10.1186/s12873-020-00328-9

Table 2.

ETI success rate by each airway adjunct

Endotracheal tube + stylet, successful/total attempts GEB, successful/total attempts P*
Macintosh DL 205/209 (98.1) 207/209 (99.0) 0.411
C-MAC VL 209/209 (100) 208/209 (99.5) 0.371

Data are presented as n (%).

ETI success was defined as successful placement of an endotracheal tube into the trachea with confirmation of lung inflation within 120 s.

*Chi-squared test

DL: direct laryngoscope; ETI: endotracheal intubation; GEB: gum-elastic bougie; VL: video laryngoscope