Table 2.

Results of between group comparisons of CC diffusion parameters

	PGs versus matched HCs
	HCs (n = 19)	PGs (n = 19)
ROIs	Mean FA values ± St. Dev.		F	p	df
L Genu	0.587 ± 0.060	0.520 ± 0.073	9.446	0.004	1
R Genu	0.587 ± 0.063	0.519 ± 0.078	8.585	0.006	1
L Body	0.557 ± 0.050	0.521 ± 0.057	4.326	0.045	1
R Body	0.536 ± 0.047	0.506 ± 0.058	3.098	0.087	1
L Splenium	0.620 ± 0.047	0.610 ± 0.060	0.328	0.570	1
R Splenium	0.609 ± 0.050	0.506 ± 0.058	0.242	0.626	1
Mean Perpendicular ± St. Dev.
L Genu	0.512 ± 0.075	0.589 ± 0.113	6.186	0.018	1
R Genu	0.508 ± 0.077	0.580 ± 0.110	5.483	0.025	1
L Body	0.534 ± 0.063	0.575 ± 0.080	3.080	0.088	1
R Body	0.561 ± 0.064	0.591 ± 0.086	1.498	0.229	1
L Splenium	0.510 ± 0.086	0.523 ± 0.120	0.140	0.710	1
R Splenium	0.542 ± 0.105	0.531 ± 0.089	0.124	0.727	1
Mean Parallel ± St. Dev.
L Genu	1.410 ± 0.162	1.338 ± 0.122	2.376	0.132	1
R Genu	1.416 ± 0.162	1.339 ± 0.120	2.825	0.101	1
L Body	1.385 ± 0.082	1.351 ± 0.111	1.172	0.286	1
R Body	1.372 ± 0.082	1.329 ± 0.095	2.253	0.142	1
L Splenium	1.533 ± 0.122	1.498 ± 0.145	0.655	0.424	1
R Splenium	1.553 ± 0.123	1.482 ± 0.126	3.106	0.086	1

St. Dev. = Standard deviation

FA = Fractional anisotropy

HC = Healthy control

PG = Pathological gambling

ROI = Regions of interest

L = Left

R = Right