Characteristics and outcomes of trauma patients admitted before (PRE) versus after (POST) implementation of formalized trauma service
| PRE | POST | P value | |
| Patients (n) | 1613 | 1590 | n/a |
| Male (%) | 1049 (65%) | 1034 (65%) | 1.0 |
| Age (mean±SD) | 52.3±23.5 | 51.9±23.1 | 0.68 |
| Injury Severity Score | 9.9±7.4 | 9.4±7.1 | 0.03* |
| Mechanism of injury | |||
| Fall | 679 (42%) | 693 (44%) | 0.25 |
| Motor vehicle crash | 320 (20%) | 298 (19%) | 0.48 |
| Motorcycle crash | 152 (9%) | 159 (10%) | 0.33 |
| Bicycle crash | 134 (8%) | 138 (9%) | 0.31 |
| Assault | 110 (7%) | 96 (6%) | 0.25 |
| Pedestrian struck | 81 (5%) | 74 (5%) | 1.0 |
| Other | 137 (8%) | 132 (8%) | 1.0 |
| Admission disposition | |||
| Operating room | 117 (7%) | 126 (8%) | 0.28 |
| Intensive care unit | 457 (28%) | 33621%) | <0.0001* |
| Intermediate care unit | 323 (20%) | 228 (14%) | <0.0001* |
| Ward | 691 (43%) | 818 (51%) | <0.0001* |
| Other (labor and delivery/cath lab) | 2 (0.1%) | 5 (0.3%) | 0.20 |
| ED/Observation unit | 23 (1%) | 77 (5%) | <0.0001* |
| Comorbid medical conditions | 1177 (73%) | 1044 (66%) | <0.0001* |
| Length of stay (median days) | 3.0 | 2.0 | <0.0001* |
| Discharged day 1 | 390 (24%) | 473 (30%) | 0.00038* |
*P<0.05.
cath, cardiac catheterization; ED, emergency department; n/a, not available.