TABLE 2:

FA and ADC measurements in all four locations in HIV-positive patients and controls according to the viral load in plasma

	Controls(n = 16)	HIV+ Patients: Viral Load (Copies/mL)
		<50 (n = 12)	P Value	50–100 000 (n = 19)	P Value	>100 000 (n = 22)	P Value
Splenium FA	753 ± 56	770 ± 92		791 ± 80		755 ± 63	NS
Genu FA	717 ± 68	680 ± 54		679 ± 68		679 ± 93	NS
White matter FA	404 ± 52	367 ± 35		381 ± 39		402 ± 50	NS
Hippocampus FA	366 ± 65	364 ± 101		350 ± 54		357 ± 46	NS
Splenium ADC	858 ± 114	942 ± 155	.023	836 ± 96	NS	858 ± 72	NS
Genu ADC	1054 ± 146	1286 ± 255	NS	1135 ± 192	NS	1159 ± 208	NS
White matter ADC	792 ± 44	851 ± 70	.028	807 ± 42	NS	796 ± 57	NS
Hippocampus ADC	968 ± 129	1081 ± 189	NS	1018 ± 123	NS	1029 ± 122	NS

Note.—FA indicates fractional anisotropy; ADC, apparent diffusion coefficient (mm/s²); NS, not significant.