All patients | Blunt (n=8068) | Penetrating (n=6095) | P value | |
Body region of worst injury, n (%) | <0.001 | |||
Head | 7996 (56.5) | 4631 (57.4) | 3365 (55.2) | |
Torso | 2286 (16.1) | 1384 (17.1) | 902 (14.8) | |
Extremities | 3881 (27.4) | 2053 (25.5) | 1828 (30) | |
Number of body injuries, n (%) | <0.001 | |||
1 injury | 7827 (55.2) | 4257 (52.7) | 3570 (58.4) | |
2 injuries | 4765 (33.6) | 2916 (36.1) | 1849 (30.3) | |
3 or more injuries | 1595 (11.2) | 904 (11.2) | 691 (11.3) | |
Shock*, n (%) | 5628 (51) | 3370 (51.5) | 2258 (50.3) | 0.218 |
Initial AVPU score† | ||||
4—alert | 13 038 (91.9) | 7706 (95.3) | 5332 (87.4) | <0.001 |
3—responds to voice | 959 (6.8) | 310 (3.8) | 649 (10.6) | |
2—responds to pain | 32 (0.2) | 18 (0.2) | 14 (0.2) | |
1—unresponsive | 163 (1.1) | 57 (0.7) | 106 (1.8) | |
Admitted, n (%) | 2084 (14.7) | 858 (10.6) | 1226 (20.1) | <0.001 |
Highest ward of care, n (%) | ||||
Ward | 1000 (95.9) | 396 (96.4) | 604 (95.6) | 0.796 |
High dependancy unit (HDU) | 27 (2.6) | 9 (2.2) | 18 (2.8) | |
Intensive care unit | 16 (1.5) | 6 (1.4) | 10 (1.6) | |
Any procedure, n (%) | 1874 (13.2) | 802 (9.9) | 1072 (17.5) | <0.001 |
Outcome | ||||
Brought in dead | 138 (1.0) | 40 (0.5) | 98 (1.6) | <0.001 |
Died in hospital | 91 (0.6) | 40 (0.5) | 51 (0.9) | |
Survived | 13 854 (98.4) | 7976 (99) | 5878 (98.3) |
**Shock index (initial heart rate/initial systolic blood pressure) >0.7.
†AVPU score classifies mental status as Alert, responsive to Voice, responsive to Pain, or Unresponsive