Table 3.

Global Quality-of-Life Results With Data Cut-Off at 9 Months

Assessment Time	PCI		Control		P for Treatment Difference
	Mean	SD	Mean	SD
Overall*					.1134
Baseline	66.5	1.68	66.1	1.72	.8633
At 6 weeks	60.2	2.34	67.9	2.25	.0183
At 3 months	51.7	2.85	59.7	3.03	.0554
At 6 months	52.8	3.41	52.8	3.67	.9919
At 9 months	52.4	4.81	54.4	5.21	.7764

Abbreviations: PCI, prophylactic cranial irradiation; SD, standard deviation.

^*Multivariate test of no difference at any follow-up time point.