Pre versus post inpatient bivariate analysis
| Premorning report (n=6556) | Postmorning report (n=4697) | P values | |
| Age, years | 45.2±19.4 | 49.4±20.9 | <0.0001 |
| Male, n (%) | 4579 (69.8) | 3050 (64.9) | <0.0001 |
| Mode of arrival | 0.932 | ||
| Air, n (%) | 1351 (20.6) | 971 (20.7) | |
| Ground, n (%) | 5205 (79.4) | 3726 (79.3) | |
| Mechanism of injury | <0.0001 | ||
| Blunt, n (%) | 5419 (82.7) | 4175 (88.9) | |
| Burn, n (%) | 28 (0.4) | 23 (0.5) | |
| Penetrating, n (%) | 1109 (16.9) | 499 (10.6) | |
| ISS | 11.2±9.5 | 11.5±10.3 | 0.144 |
| NISS | 14.8±12.1 | 15.2±13.6 | 0.091 |
| TRISS | 1.0±0.13 | 1.0±0.13 | 0.535 |
| GCS score at admission, n (%) | 0.728 | ||
| <13 | 880 (13.5) | 623 (13.3) | |
| 13–15 | 5632 (86.5) | 4066 (86.7) | |
| Alive, % | 6297 (96.0) | 4546 (96.8) | 0.040 |
| Length of stay (0 removed) | 6.0±8.5 | 4.9±6.5 | <0.0001 |
| Intensive care unit length of stay | 2.1±5.0 | 1.5±3.8 | <0.0001 |
| Total vent days | 1.3±4.4 | 0.9±3.0 | <0.0001 |
| Number of comorbidities | 1.9±1.2 | 2.1±1.5 | 0.001 |
GCS, Glasgow Coma Scale; ISS, Injury Severity Score; NISS, New Injury Severity Score; TRISS, Trauma and Injury Severity Score.