Table 3 Detailed distribution and crude analysis of emergency ETI-related adverse events in injured patients with a predicted difficult airway: business hours^a vs. off hours^b

All adverse events, n (%)^c

43 (35.0)

11 (22.9)

32 (42.7)

2.5 (1.1–5.6)

 Hypoxemia

7 (5.7)

2 (4.2)

5 (6.7)

1.6 (0.3–8.8)

 Esophageal intubation with delayed recognition

5 (4.1)

0 (0)

5 (6.7)

N/A

 Recorded regurgitation

5 (4.1)

2 (4.2)

3 (4.0)

1.0 (0.2–6.0)

 Cardiac arrest immediately after ETI attempt

5 (4.1)

1 (2.1)

4 (5.3)

2.6 (0.3–24.4)

 ETI failure rescued by emergency surgical airway

8 (6.5)

3 (6.3)

5 (6.7)

1.1 (0.2–4.7)

 Cuff leak requiring reintubation

2 (1.6)

0 (0)

2 (2.7)

N/A

 Mainstem bronchus intubation

11 (8.9)

3 (6.3)

8 (10.7)

1.8 (0.5–7.1)