|
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)
|
-
IQR interquartile range, y years, NR not reported, ciTBI clinically-important traumatic brain injury, CT computed tomography
-
aMean age in derivation and validation cohort; * p-value <0.05
