Preventive Effect of Hippocampal Sparing on Cognitive Dysfunction of Patients Undergoing Whole-Brain Radiotherapy and Imaging Assessment of Hippocampal Volume Changes

Table 6

Comparison of the clinical prognosis of patients between the two groups ( (%)).

Groups	Case	0~1	1.5~2.5	3	3.5~4
Control group	20	13 (65.00)	6 (30.0)	1 (5.00)	0 (0)
Experimental group	20	0 (0)	0 (0)	10 (50.00)	10 (50.00)
					7.485
					<0.05