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

Table 5

Comparison of MoCA scores before and after radiotherapy between the two groups ().

Groups	Case	Before radiotherapy	3 months after radiotherapy	6 months after radiotherapy	12 months after radiotherapy
Control group	20
Experimental group	20
T		5.318	2.147	2.339	2.952
P		0.369	0.001	0.002	0.001