Table 1. Neuropsychological Status of HIV-IC and HAND.

	HIV-IC (n = 12)	HAND (n = 10)	P
Speed of information processing (preserved/impaired)	12/0	9/1	0.455
K-WAIS digit symbol subtest, ASS†	13.3 ± 0.4	12.5 ± 0.7	0.628
TMT A, s	27.5 ± 2.4	39.6 ± 4.5	0.032*
Memory including learning and recall (preserved/impaired)	12/0	5/5	0.010*
K-AVLT delayed recall, ASS	11.8 ± 0.6	7.9 ± 1.2	0.008*
K-AVLT delayed recognition, ASS	11.8 ± 0.8	9.7 ± 1.0	0.117
K-AVLT total (Trial 1–5), SS†	60.5 ± 6.9	47.8 ± 10.8	0.006*
KCFT copy, ASS†	15.5 ± 0.6	15.4 ± 0.7	1.000
KCFT immediate recall, ASS	14.6 ± 0.7	13.1 ± 1.1	0.251
KCFT delayed recall, ASS	14.3 ± 0.8	13.2 ± 1.1	0.406
Abstraction or executive function (preserved/impaired)	11/1	2/8	0.002*
WCST percent conceptual level responses, SS	103 ± 4.8	82.6 ± 4.6	0.006*
WCST perseverative errors, SS†	106.8 ± 5.7	87.8 ± 4.1	0.080
WCST total number of errors, SS	103.8 ± 4.8	81.8 ± 5.1	0.005*
K-WAIS similarity subtest, ASS	12.7 ± 0.6	12.2 ± 0.8	0.628
TMT B, s†	88.3 ± 12.2	189.7 ± 44.1	0.030*
Attention or working memory (preserved/impaired)	12/0	12/0	N/A
K-WAIS digits span subtest, ASS	13.7 ± 0.8	11.9 ± 0.9	0.165
Sensory Perception or motor skills (preserved/impaired)	10/2	2/8	0.008*
Grooved Pegboard Test, s†	63.7 ± 3.1	87.7 ± 9.2	0.003*
Verbal or language (preserved/impaired)	12/0	1/9	0.455
K-WAIS vocabulary subtest†	11.9 ± 0.6	11.3 ± 0.9	0.346

Data are mean values ± standard deviation. ^*p < 0.05, ^†Tested using nonparametric method. ASS = age-scaled scores, HAND = HIV-associated neurocognitive disorders, HIV = human immunodeficiency virus, HIV-IC = HIV-infected patients with intact cognition, K-AVLT = Korean version of Auditory Verbal Learning Test, KCFT = age-corrected scores on Korean complex figure test, K-WAIS = Korean version of Wechsler Adult Intelligence Scale, N/A = not applicable, s = seconds, SS = standard scores, TMT A = trail making test part A, TMT B = trail making test part B, WCST = Wisconsin Card Sorting Test