Table 2 Trauma characteristics
Overall cohort (2000–2016) n = 731 | Early period (2000–2008) n = 372 | Late period (2009–2016) n = 359 | Difference between periods P | |
|---|---|---|---|---|
a. Trauma mechanism injury data | ||||
Trauma cause (missing = 2) | ||||
Car collision | 156 (21.4%) | 101 (27.3%) | 55 (15.3%) | < 0.001 |
Motorcycle collision | 87 (11.9%) | 46 (12.4%) | 41 (11.4%) | |
Pedestrian or comparable occupational collision | 35 (4.8%) | 26 (7%) | 9 (2.5%) | |
Cycling collision | 62 (8.5%) | 24 (6.5%) | 38 (10.6%) | |
Winter sports | 242 (33.2%) | 92 (24.9%) | 150 (41.8%) | |
Fall from heights | 76 (10.4%) | 49 (13.2%) | 27 (7.5%) | |
Trauma in homely environment | 47 (6.4%) | 20 (5.4%) | 27 (7.5%) | |
Personal assault | 3 (0.4%) | 1 (0.3%) | 2 (0.6%) | |
Horse riding collision (and other animal associated injuries) | 21 (2.9%) | 11 (3.0%) | 10 (2.8%) | |
b. Organ injury data | ||||
Injured organ | ||||
Spleen | 280 (38.3%) | 123 (33.1%) | 157 (43.7%) | 0.001 |
Liver | 368 (50.3%) | 192 (51.6%) | 176 (49%) | |
Combined liver and spleen injury | 83 (11.4%) | 57 (15.3%) | 26 (7.2%) | |
AAST (Moore) Injury Score (according to admission CT scan; no CT, n = 9) | ||||
Spleen | ||||
No spleen injury | 367 (50.8%) | 192 (52.7%) | 175 (48.9%) | 0.008 |
I | 40 (5.5%) | 22 (6%) | 18 (5%) | |
II | 66 (9.1%) | 40 (11%) | 26 (7.3%) | |
III | 173 (24.0%) | 76 (20.9%) | 97 (27.1%) | |
IV | 47 (6.5%) | 15 (4.1%) | 32 (8.9%) | |
V | 29 (4.0%) | 19 (5.2%) | 10 (2.8%) | |
Liver | ||||
No liver injury | 277 (38.4%) | 120 (33.0%) | 157 (43.9%) | 0.096 |
I | 43 (6%) | 21 (5.8%) | 22 (6.1%) | |
II | 97 (13.4%) | 52 (14.3%) | 45 (12.6%) | |
III | 221 (30.6%) | 124 (34.1%) | 97 (27.1%) | |
IV | 66 (9.1%) | 37 (10.2%) | 29 (8.1%) | |
V | 17 (2.4%) | 9 (2.5%) | 8 (2.2%) | |
VI | 1 (0.1%) | 1 (0.3%) | 0 (0%) | |
Associated extra-abdominal injuries (AIS ≥ 1) | ||||
Head or neck | 267 (36.5%) | 173 (46.5%) | 94 (26.2%) | < 0.001 |
Face | 101 (13.8%) | 52 (14%) | 49 (13.6%) | 0.897 |
Chest | 463 (63.3%) | 270 (72.6%) | 193 (53.8%) | < 0.001 |
Extremities or pelvic girdle | 342 (46.8%) | 203 (54.6%) | 139 (38.7%) | < 0.001 |
External (skin and soft tissue) | 457 (62.5%) | 291 (78.2%) | 166 (46.2%) | < 0.001 |