Table 1.

Survivor and control demographic and descriptive comparisons.

	Survivors n = 29	Controls n = 29	Group differences	Cohen's D
Gender	45% Female	48% Female
Age at exam (years)	M = 21.34 SD = 5.35	M = 22.43 SD = 5.20	t = 0.79, p = .56	−0.02
Years of education	M = 13.28 SD = 2.79	M = 14.34 SD = 2.79	t = −1.77, p = .08	−0.38
Age at diagnosis (years)	M = 8.55 SD = 4.88 Range 1–18
Radiation	n = 15 52%
Chemotherapy	n = 14 48%
High grade tumor	n = 14 48%
Hydrocephalus	n = 24 83%
Seizure medication	n = 1 3%
Hormone deficiency	n = 16 55%
Whole brain grey matter volume**	M = 0.77 SD = 0.05	M = 0.81 SD = 0.02	t = 4.04, p < .01	−1.05
Whole brain white matter volume*	M = 0.31 SD = 0.02	M = 0.32 SD = 0.02	t = 2.46, p = .02	−0.50
Right cerebellar volume	M = 0.10 SD = 0.03	M = 0.10 SD = 0.05	t = 0.54, p = .59	0.00
Right dentate volume	M = 0.04 SD = 0.02	M = 0.04 SD = 0.03	t = 0.60, p = .55	0.00
Left red nucleus volume	M = 0.03 SD = 0.02	M = 0.04 SD = 0.03	t = 0.45, p = .65	−0.39
Left thalamus volume	M = 0.04 SD = 0.02	M = 0.04 SD = 0.03	t = −0.05, p = .96	0.00
Left frontal volume	M = 0.07 SD = 0.02	M = 0.06 SD = 0.03	t = −0.67, p = .51	0.39
Cerebellar-frontal FA	M = 0.32 SD = 0.06	M = 0.32 SD = 0.05	t = −0.04, p = .97	0.00
Cerebellar-frontal RD**	M = 0.0013 SD = 0.0003	M = 0.0011 SD = 0.0001	t = −2.64, p < .01	0.89

Note. ** indicates p < .01 and * indicates p < .05; All volume measures are regional grey matter plus white matter divided by intracranial vault.