Hachinski Score: The maximum score is 18 points. A score below 4 indicates senile dementia; a score above 7 indicates vascular dementia.

The Hachinski Ischemic Score (HIS) is a simple scale for the differential diagnosis of vascular dementia, established by Hachinski in 1975. It consists of 13 items and is used exclusively for the differential diagnosis of vascular dementia and senile dementia. The assessment should be conducted after the diagnosis of dementia is confirmed.