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Table 1 Clinical characteristics of injured patients: business hours 1 vs. off hours 2
| Characteristic | All (n = 805) | Business hours (n = 379) | Off hours (n = 426) | p value |
|---|---|---|---|---|
| Age (years) | 47.2 ± 22.2 | 49.6 ± 22.7 | 45.1 ± 21.6 | 0.0030 |
| Male, n (%) | 576 (71.6) | 270 (71.2) | 306 (71.8) | 0.88 |
| ISS | 18.6 ± 14.6 | 17.1 ± 14.6 | 19.9 ± 14.4 | <0.001 |
| RTS | 7.3 ± 1.2 | 7.3 ± 1.2 | 7.2 ± 1.2 | 0.042 |
| Ps | 0.88 ± 0.23 | 0.88 ± 0.24 | 0.88 ± 0.23 | 0.315 |
| Glasgow Coma Scale | 13.5 ± 3.0 | 13.6 ± 2.9 | 13.4 ± 3.1 | 0.054 |
| SBP (mmHg) | 123.9 ± 58.1 | 124.2 ± 33.2 | 123.6 ± 73.5 | 0.064 |
| Heart rate (beats per min) | 89.8 ± 23.0 | 89.0 ± 24.2 | 90.6 ± 21.9 | 0.092 |
| Respiratory rate (breaths per min) | 20.0 ± 7.9 | 19.8 ± 8.0 | 20.3 ± 7.7 | 0.253 |
| ASA-PS | 2.7 ± 1.0E | 2.7 ± 0.9E | 2.8 ± 1.0E | 0.30 |
| CCI | 0.37 ± 0.82 | 0.43 ± 0.91 | 0.33 ± 0.73 | 0.48 |
| Penetrating injury, n (%) | 107 (13.3) | 59 (15.6) | 48 (11.3) | 0.078 |
| ORIF, n (%) | 507 (63.0) | 251 (66.2) | 256 (60.1) | 0.079 |
| TAE, n (%) | 144 (17.9) | 63 (16.6) | 81 (19.0) | 0.41 |
| Laparotomy, n (%) | 118 (14.7) | 48 (12.7) | 70 (16.4) | 0.14 |
| Craniotomy, n (%) | 27 (3.4) | 11 (2.9) | 16 (3.8) | 0.56 |
| Thoracotomy, n (%) | 9 (1.1) | 6 (1.6) | 3 (0.7) | 0.32 |
| Presentation 2002–2005 | 314 (39.0) | 148 (39.1) | 166 (39.0) | 1.00 |
| Presentation 2006–2009 | 233 (28.9) | 98 (25.9) | 135 (31.7) | 0.074 |
| Presentation 2010–2013 | 258 (32.0) | 133 (35.1) | 125 (29.3) | 0.083 |
