[Table/Fig-3]:

Descriptive Statistics for FA values and MD values (×10-3mm²/s) (mean±SD) in Controls, Patients with GBM and Metastases (first three columns), and p-values from Two Sample T-test for Pairwise Group Comparisons for FA and MD Values (second three columns) in Seven Different Regions of CC

Region		Controls (n=10)	GBM (n=27)	Metastases (n=11)	Gbm vs. Control	Metastases vs. Control	GBM vs. Metastases
Rostrum	FA	0.53 ± 0.05	0.43 ± 0.11	0.42 ± 0.10	0.001	0.007	0.699
	MD	0.70 ± 0.08	0.84 ± 0.22	0.89 ± 0.23	0.007	0.024	0.543
Genu	FA	0.55 ± 0.02	0.50 ± 0.05	0.50 ± 0.05	<0.001	0.004	0.601
	MD	0.61 ± 0.05	0.67 ± 0.08	0.69 ± 0.09	0.028	0.022	0.583
Rostral body	FA	0.49 ± 0.04	0.40 ± 0.07	0.41 ± 0.08	<0.001	0.008	0.957
	MD	0.67 ± 0.08	0.80 ± 0.15	0.82 ± 0.16	0.014	0.015	0.681
Anterior midbody	FA	0.49 ± 0.05	0.38 ± 0.07	0.39 ± 0.09	<0.001	0.005	0.614
	MD	0.68 ± 0.08	0.86 ± 0.17	0.85 ± 0.16	<0.001	0.009	0.75
Posterior midbody	FA	0.49 ± 0.04	0.39 ± 0.05	0.40 ± 0.07	<0.001	0.005	0.416
	MD	0.72 ± 0.09	0.89 ± 0.13	0.85 ± 0.15	<0.001	0.025	0.42
Isthmus	FA	0.47 ± 0.05	0.39 ± 0.07	0.39 ± 0.08	0.003	0.015	0.884
	MD	0.79 ± 0.11	0.90 ± 0.15	0.89 ± 0.16	0.041	0.116	0.799
Splenium	FA	0.58 ± 0.04	0.53 ± 0.05	0.52 ± 0.05	0.004	0.005	0.413
	MD	0.64 ± 0.05	0.68 ± 0.07	0.70 ± 0.07	0.083	0.032	0.466

FA = fractional anisotropy; MD = mean diffusivity; GBM = glioblastoma multiforme; CC = corpus callosum; SD = standard deviation. p < 0.05 was statistically significant.