. Author manuscript; available in PMC: 2011 Nov 1.

Published in final edited form as: Magn Reson Imaging. 2010 Aug 4;28(9):1251–1257. doi: 10.1016/j.mri.2010.06.007

Table 1.

Patients’ demographic characteristics. Three HIV+ groups: Normal cognition (NC), mild cognitive impairment (MCI) and HIV associated dementia (HAD). N= total number of patients in each group. Values given are means ± standard deviation. n (%) is number and percentage in each group.

	HIV+ (NC) (N= 21)	MCI (N= 31)	HAD (N= 34)	P value (ANOVA)
Age, years	46.1 ± 5.7	47.4 ± 5.5	47.0 ± 6.3	0.75
Male, n (%)	14 (66 %)	22 (71 %)	23 (68 %)	0.9
Education, years	11.9 ± 1.7	12.5 ± 1.9	12.6 ± 2.1	0.4
Race (% African-American)	18 (86 %)	30 (97 %)	32 (94 %)	0.3
CD4 cell count (cells/mm³)	364 ± 188	369 ± 223	417 ± 239	0.6
Plasma HIV RNA (Log10 copies/ml)	3.0 ± 1.0	2.7 ± 1.4	3.4 ± 1.3	0.4
CSF HIV RNA (Log10 copies/ml)	0.68 ± 0.95	1.3 ± 1.4	1.3 ± 1.3	0.4