Table 1. Rates of Intracranial Hemorrhage in Patients with Mild TBI.

Characteristic	N (%)
Presence of Intracranial Hemorrhage	477 (8.5%)
Type of Intracranial Hemorrhage
Subdural hematoma	262 (4.7%)
Subarachnoid hemorrhage	252 (4.5%)
Hemorrhagic contusion/intraparenchymal hematoma	212 (3.8%)
Epidural hematoma	45 (0.8%)
Intraventricular hematoma	20 (0.4%)
Number of Intracranial Hemorrhages
One	289 (60.2%)
Two or more	188 (39.8%)