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Table 5 Detailed distribution of adverse events occurring in the ER: business hours 1 vs. off hours 2
| Preventable complication | All (n = 805) | Business hours (n = 379) | Off hours (n = 426) | OR (95% CI) | p -value |
|---|---|---|---|---|---|
| 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 |
