Table 5 Detailed distribution of adverse events occurring in the ER: business hours ¹ vs. off hours ²

Missed major injury, n (%)

30 (3.7)

8 (2.1)

22 (5.2)

2.5 (1.1–5.7)

0.025

Device infection, n (%)

13 (1.6)

4 (1.1)

9 (2.1)

2.0 (0.6–6.6)

0.27

Device malposition, n (%)

15 (1.9)

5 (1.3)

10 (2.3)

1.8 (0.6–5.3)

0.31

Endotracheal-intubation complications, n (%)

16 (2.0)

8 (2.1)

8 (1.9)

0.9 (0.3–2.3)

1.00

Delayed intervention, n (%)

9 (1.1)

5 (1.3)

4 (0.9)

0.7 (0.2–2.7)

0.74

Postoperative bleeding requiring reoperation, n (%)

6 (0.7)

2 (0.5)

4 (0.9)

1.8 (0.3–9.8)

0.69

Iatrogenic injury, n (%)

4 (0.5)

1 (0.3)

3 (0.7)

2.7 (0.3–25.9)

0.63

Total, n (%)

93 (11.5)

33 (8.7)

60 (14.1)

1.7 (1.1–2.7)

0.020