Table 3 Reported clinical findings and symptoms important for HISS classification at the clinical examination before CT
Clinical findings and symptoms at presentation | Minimal injury | Mild injury | Moderate injury | Missing data or not classifiable | Overall |
|---|---|---|---|---|---|
N = 275 | N = 525 | N = 160 | N = 365 | N = 1325 | |
Glasgow Coma Scale score | |||||
15 | 271 (98.5%) | 379 (72.2%) | 64 (40.0%) | 129 (35.3%) | 843 (63.6%) |
14 | N/A | 140 (26.7%) | 15 (9.4%) | 24 (6.6%) | 179 (13.5%) |
9-13 | N/A | N/A | 68 (42.5%) | 13 (3.6%) | 81 (6.1%) |
Intubated/sedated | 2 (0.7%) | 2 (0.4%) | 7 (4.4%) | 4 (1.1%) | 15 (1.1%) |
Missing data | 2 (0.7%) | 4 (0.8%) | 6 (3.8%) | 195 (53.4%) | 207 (15.6%) |
Loss of consciousness (LOC)? | |||||
No | 236 (85.8%) | 64 (12.2%) | 28 (17.5%) | 69 (18.9%) | 397 (30.0%) |
Yes | N/A | 306 (58.3%) | 70 (43.8%) | 122 (33.4%) | 499 (37.7%) |
<5 minutes | N/A | 243 (46.3%) | 23 (14.4%) | 62 (17.0%) | 329 (24.8%) |
≥5 minutes | N/A | N/A | 38 (23.8%) | 15 (4.1%) | 56 (4.2%) |
Unknown length of LOC Ω | N/A | 63 (12.0%) | 9 (5.6%) | 45 (12.3%) | 114 (8.6%) |
Unknown if LOC Ω | 35 (12.7%) | 148 (28.2%) | 39 (24.4%) | 58 (15.9%) | 280 (21.1%) |
Missing data | 4 (1.5%) | 7 (1.3%) | 23 (14.4%) | 116 (31.8%) | 149 (11.2%) |
Posttraumatic amnesia? | |||||
No, n (%) | 254 (92.4%) | 99 (18.9%) | 33 (20.6%) | 66 (18.1%) | 452 (34.1%) |
Yes, n (%) | 0 (0%) | 394 (75.1%) | 62 (38.8%) | 98 (26.8%) | 555 (41.9%) |
Impossible to assess | 16 (5.8%) | 22 (0.4%) | 32 (20.0%) | 38 (10.4%) | 107 (8.1%) |
Missing data | 5 (1.8%) | 10 (1.9%) | 33 (20.6%) | 163 (44.7%) | 211 (15.9%) |
Assumed focal neurologic deficits? | |||||
No | 260 (94.5%) | 492 (93.7%) | 73 (45.6%) | 256 (70.1%) | 1081 (81.6%) |
Yes | 0 (0%) | 0 (0%) | 57 (35.6%) | 10 (2.7%) | 67 (5.1%) |
Impossible to assess | 6 (2.2%) | 18 (3.4%) | 17 (10.6%) | 18 (4.9%) | 59 (4.5%) |
Missing data | 9 (3.3%) | 15 (2.9%) | 13 (8.1%) | 81 (22.2%) | 118 (8.9%) |