Cognitive and Psychosocial Outcome After Mild Traumatic Brain Injury

MMSE includes seven factors, namely: the time orientation factor (5 points), place orientation (5 points), immediate memory (3 points), short-term memory (3 points), calculation capabilities (5 points), verbal expression, naming and repetition (4 points), speech reading and understanding (4 points), graphic depiction (1 points). The scales for the description of cognitive function impairment were grouped into three levels of education: illiteracy (17 points), primary school (20 points) and middle school (24 points). The one with score below average was considered with cognitive function impairment.

The scale is divided into two parts: physical self-care ability, instrumental activities of daily living. 1 point for each option means normal; If 2~4 points for one option, he or she probably had ability decline; If two or more parts ≥3 points or total score≥ 22 points (14 questions), he or she exhibited living ability decline clearly.

The scale includes 14 items and each has 0-3 points. The score of the former seven items > 7, indicating depression symptom; the later seven items > 7, indicating anxiety symptom.

This scale has been widely used to patients with neurosis, adjustment disorder and other slight mental psychological disorder. According to the national norm results, if the total score > 160, or the number of positive items > 43, or one factor score >2, we consider the positive screening.