Imaging Features of Artificial Intelligence Algorithm in the Analysis of Cerebral Protective Effect of Craniotomy Hematoma Removal under Propofol Anesthesia in Patients with Chronic Subdural Hematoma

Table 1

Markwalder’s neural function grading.

Grade	Symptoms
0	There were no signs of neurological function.
1	Neurological symptoms were mild, such as dizziness, headache, and mild neurological impairment.
2	Sleepiness, misorientation, and moderate neurological dysfunction, such as mild hemiplegia.
3	Shallow comas and severe neurological disorders, such as hemiplegia.
4	Severe coma, sensitivity to pain, and cerebral and cortical stiffness.