Table 1 Differences in tracheal intubation procedure using the Airway Scope and Macintosh laryngoscope by non‐anaesthesia residents.

	Airway Scope	Macintosh laryngoscope
Time to intubation (s)	41 (19)*	69 (41)*
Attempts until successful intubation (1/2/3 times)	97/3/0†	69/27/4†
Erroneous intubation of the oesophagus	0‡	8‡

*Mean (SD), p<0.001 (Student's t test).

†Number of cases, p<0.001 (Mann–Whitney U test).

‡Number of cases, p<0.05 (Yates' corrected χ² test).