Table 2.

IQ parameters over 5-year follow-up following radiotherapy

IQ Parameters	Mean IQ Level Before and After Radiotherapy
	Baseline	6 Mo	2 Y	3 Y	4 Y	5 Y
Full-Scale Intelligence Quotient /Global Quotient (FSIQ/GQ)	83.96	87.1	88.98	89.49	96.19	94.81
Performance IQ	86.53	93.00	98.89	102.50	109.50	112.28
Verbal IQ	87.59	89.43	85.39	85.22	83.94	87.62
Memory IQ	92.00	93.16	99.29	107.75	113.56	116.61