Table 5 CT image findings (initial description) and patient management
CT findings and management after CT examination | Minimal injury | Mild injury | Moderate injury | Missing data or not classifiable | Overall |
|---|---|---|---|---|---|
N = 275 | N = 525 | N = 160 | N = 365 | N = 1325 | |
CT findings | |||||
Normal CT * | 218 (79.3%) | 423 (80.6%) | 88 (55.0%) | 241 (66.0%) | 970 (73.2%) |
Intracranial traumatic findings | 10 (3.6%) | 36 (6.9%) | 30 (18.8%) | 7 (1.9%) | 83 (6.3%) |
Epidural hematoma | 1 (0.4%) | 2 (0.4%) | 4 (2.5%) | 0 (0%) | 7 (0.5%) |
Subdural hematoma | 3 (1.1%) | 12 (2.3%) | 15 (9,4%) | 1 (0.3%) | 31 (2.3%) |
SAH/intraventricular hemorrhage | 2 (0.7%) | 12 (2.3%) | 12 (7.5%) | 3 (0.8%) | 29 (2.2%) |
Contusion hematoma | 4 (1.5%) | 15 (2.9%) | 17 (10.6%) | 5 (1.4%) | 41 (3.1%) |
Diffuse cerebral edema | 1 (0.4%) | 1 (0.2%) | 5 (3.1%) | 0 (0%) | 7 (0.5%) |
Pneumocephalus | 1 (0.4%) | 8 (1.5%) | 7 (4.4%) | 0 (0%) | 16 (1.2%) |
Cranial fracture(s) | 4 (1.5%) | 17 (3.2%) | 12 (7.5%) | 5 (1.4%) | 38 (2.9%) |
With impression | 1 (0.4%) | 2 (0.4%) | 2 (1.3%) | 0 (0%) | 5 (0.4%) |
Without impression | 1 (0.4%) | 7 (1.3%) | 6 (3.8%) | 3 (0.8%) | 17 (1.3%) |
Skull base fracture | 2 (0.7%) | 10 (1.9%) | 7 (4.4%) | 2 (0.5%) | 21 (1.6%) |
Non-traumatic pathological findings | 45 (16.4%) | 64 (12.2%) | 44 (27.5%) | 114 (31.2%) | 267 (20.2%) |
Admission to hospital | |||||
Number of admissions | 188 (68.4%) | 285 (54.3%) | 120 (75.0%) | 196 (53.7%) | 789 (59.6%) |
Median length of stay (days) | 1.0 | 0.5 | 1.5 | 0.5 | 0.5 |
Range length of stay (days) | 0.0 – 52.0 | 0.0 - 98.0 | 0.0 - 108.0 | 0.0 - 60.0 | 0.0 – 108.0 |
Admission to hospital due to: | |||||
Head injury alone | 30 (10.9%) | 103 (19.6%) | 37 (23.1%) | 16 (4.4%) | 186 (14.0%) |
Other causes than injuries | 3 (1.1%) | 7 (1.3%) | 7 (4.4%) | 68 (18.6%) | 85 (6.4%) |
Other injuries than the head injury | 86 (31.3%) | 35 (6.7%) | 6 (3.8%) | 16 (4.4%) | 143 (10.8%) |
Combinations | 68 (24.7%) | 140 (26.7%) | 70 (43.8%) | 95 (26.0%) | 373 (28.2%) |
Unknown cause/missing data | 1 (0.4%) | 0 (0%) | 0 (0.0%) | 1 (0.3%) | 2 (0.2%) |
Not admitted | 87 (31.6%) | 240 (45.7%) | 40 (25.0%) | 169 (46.3%) | 536 (40.5%) |
Neurosurgical intervention | 3 (1.1%) | 1 (0.2%) | 8 (5.0%) | 0 (0%) | 12 (0.9%) |
Intracranial pressure monitoring | 0 (0%) | 1 (0.2%) | 4 (2.5%) | 0 (0%) | 5 (0.4%) |
Reposition of cranial fracture(s) | 1 (0.4%) | 0 (0%) | 2 (1.3% | 0 (0%) | 3 (0.2%) |
External ventricle drain | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
Craniotomy | 1 (0.4%) | 0 (0%) | 2 (1.3%) | 0 (0%) | 3 (0.2%) |
Burr hole-procedure§ | 1 (0.4%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (0.1%) |
In-house-mortality | 3 (1.1%) | 1 (0.2%) | 2 (1.3%) | 8 (2.2%) | 14 (1.1%) |