Table 1 Patient characteristics in the study cohort compared with the validation cohort of PECARN [2]
Characteristics | Study cohort, n = 1499 n (%) | PECARN, n = 8627 n (%) |
|---|---|---|
Median age (IQR), y | 3 (1.7–6) | 7.1a |
Male | 955 (64) | NR |
<2 years of age | 421 (28) | 2216 (25.7) |
Risk of ciTBI | ||
High risk | 62 (4.1) | 1468 (17) * |
GCS score = 14 | 23 (1.5) | 255 (3) * |
Altered Mental Status | 47 (3.1) | 1082 (12.6) * |
Signs of basilar skull fracture | 26 (2.4) | 51 (0.8) * |
Palpable skull fracture | 3 (0.7) | 80 (3.6) * |
Intermediate risk | 396 (26.4) | 2183 (25.3) |
Severe mechanism of injury | 251 (16.7) | 1271 (14.9) |
Non frontal haematoma | 47 (11.2) | 361 (16.5) * |
Loss of consciousness | 91 (6.1) | 1160 (14.1) * |
Vomiting | 183 (17) | 1050 (12.3) * |
Severe headache | 15 (1.4) | 146 (2.8) * |
Not acting normally | 29 (6.9) | 273 (12.7) * |
Very low risk | 1041 (69.5) | 4976 (57.7) * |
CT | 76 (5.1) | 2917 (33.8) * |
Any injury on CT | 20 (1.3) | 184 (6.3) * |
ciTBI | 9 (0.6) | 88 (1) |
Neurosurgery | 0 (0) | 16 (0.2) |