The mildinjury and the severe injury of the degree of injury assessment can be graded and coded according to AIS.
AIS分级变化有密切关系，“轻伤”、“重伤”可参照AIS严重度进行分级、编码。
2
Mild traumatic brain injury, pain, and substance abuse are common.
轻度颅脑损伤，疼痛，药物滥用是常见的。
3
Data collected from HEADS may be used to build better protective systems and to establish a body of data to accelerate research for the diagnosis and treatment of mild traumatic brain injury.