Table 2: Head Computed Tomography (CT) Findings of Pediatric Traumatic Brain Injury (TBI) Patients studied using an Artificial Neural Network.

Image Findings	Non-Clinically Important TBI (n=12,422)	Clinically Important TBI (n=480)	All patients (n=12,902)
Cerebellar hemorrhage
No	12418	469	12887
Yes	4	11	15
Cerebral contusion
No	12365	365	12730
Yes	57	115	172
Cerebral edema
No	12415	412	12827
Yes	7	68	75
Cerebral hemorrhage or Intracerebral hematoma
No	12384	381	12765
Yes	38	99	137
Diastasis of the skull
No	12403	445	12848
Yes	19	34	54
Epidural hematoma
No	12402	394	12796
Yes	20	86	106
Extra axial hematoma
No	12358	411	12769
Yes	64	69	133
Intraventricular hemorrhage
No	12415	456	12871
Yes	7	24	31
Midline shift of brain structures
No	12416	401	12817
Yes	6	79	85
Pneumocephalus
No	12361	363	12724
Yes	61	117	178
Skull fracture
No	11828	184	12012
Yes	594	296	890
Subarachnoid hemorrhage
No	12356	369	12725
Yes	66	111	177
Subdural hematoma
No	12348	337	12685
Yes	74	143	217
Traumatic infarction
No	12422	476	12898
Yes	0	4	4
Diffuse axonal injury
No	12422	475	12897
Yes	0	5	5
Herniation
No	12422	475	12897
Yes	0	5	5
Shear Injury
No	12419	466	12885
Yes	3	14	17

^*Univariate statistical significance examined using the t-test or Chi-squared analysis.