Table 3:

Group differences in diffusivity indices from VOIs

Anatomic Region	Hemisphere	AD (×10−3mm2/s) (Mean)			RD (×10−3mm2/s) (Mean)			MD (×10−3mm2/s) (Mean)
		HIV−	HIV+	P Value	HIV−	HIV+	P Value	HIV−	HIV+	P Value
Genu of corpus callosum	Bilateral	1.62 ± 0.08	1.58 ± 0.08	.16	0.36 ± 0.03	0.40 ± 0.06	.004	0.78 ± 0.03	0.79 ± 0.05	.22
Body of corpus callosum	Bilateral	1.78 ± 0.06	1.78 ± 0.06	.99	0.41 ± 0.05	0.49 ± 0.07	.0003a	0.87 ± 0.04	0.92 ± 0.05	.002a
Splenium	Bilateral	1.66 ± 0.06	1.67 ± 0.05	.41	0.33 ± 0.03	0.37 ± 0.04	.0003a	0.77 ± 0.02	0.80 ± 0.03	.001a
Superior corona radiata	Left	1.21 ± 0.04	1.20 ± 0.03	.33	0.53 ± 0.02	0.56 ± 0.04	.0003a	0.76 ± 0.02	0.78 ± 0.03	.01
Superior corona radiata	Right	1.26 ± 0.05	1.26 ± 0.04	.78	0.49 ± 0.02	0.53 ± 0.03	.00009a	0.74 ± 0.02	0.77 ± 0.02	.001a
Posterior corona radiata	Left	1.23 ± 0.06	1.23 ± 0.03	.81	0.59 ± 0.03	0.62 ± 0.03	.002a	0.80 ± 0.03	0.82 ± 0.02	.02
Posterior corona radiata	Right	1.26 ± 0.04	1.25 ± 0.03	.32	0.57 ± 0.03	0.61 ± 0.04	.002a	0.80 ± 0.03	0.82 ± 0.04	.05
Frontal WM	Left	1.35 ± 0.07	1.32 ± 0.05	.22	0.44 ± 0.03	0.48 ± 0.04	.001a	0.74 ± 0.03	0.76 ± 0.03	.09
Frontal WM	Right	1.37 ± 0.06	1.32 ± 0.07	.02	0.40 ± 0.03	0.48 ± 0.03	.0003a	0.72 ± 0.03	0.73 ± 0.03	.21
Pre-/postcentral gyrus WM	Left	1.32 ± 0.06	1.29 ± 0.06	.14	0.47 ± 0.03	0.50 ± 0.03	.0007a	0.75 ± 0.02	0.76 ± 0.02	.06
Pre-/postcentral gyrus WM	Right	1.30 ± 0.04	1.27 ± 0.04	.01	0.44 ± 0.02	0.48 ± 0.03	.00009a	0.73 ± 0.02	0.74 ± 0.02	.08
Parietal WM	Left	1.31 ± 0.05	1.31 ± 0.05	.94	0.57 ± 0.04	0.61 ± 0.03	.001a	0.82 ± 0.03	0.84 ± 0.03	.02
Parietal WM	Right	1.29 ± 0.06	1.27 ± 0.04	.28	0.58 ± 0.03	0.62 ± 0.05	.002a	0.81 ± 0.03	0.84 ± 0.04	.07
SLF	Left	1.11 ± 0.04	1.09 ± 0.03	.13	0.54 ± 0.03	0.57 ± 0.04	.004	0.73 ± 0.02	0.75 ± 0.03	.05

Note:—HIV- indicates HIV-negative controls; HIV+, HIV-positive subjects.

^aP < .05/14 ≈ .0035 (Bonferroni-corrected for multiple comparisons).