Table 2. Comparison of mean raw scores on individual tests comprising neuropsychological test battery by level of cognitive impairment among HIV-infected individuals.* .
| Normal | ANI, MND | HAD | ||||
| (n = 6) | (n = 14) | (n = 6) | ||||
| Mean | SD | Mean | SD | Mean | SD | |
| Category Fluency | ||||||
| Animals | 20.8 | (5.5) | 16.6 | (3.8) | 14.8 | (4.1) |
| First Names | 23 | (4.3) | 23.1 | (5.4) | 19.3 | (5.5) |
| Executive Function | ||||||
| Color Trails 2† | 118.8 | (28.9) | 159.2 | (46.5) | 169.5 | (42.9) |
| Block Design | 16.2 | (7.3) | 11.8 | (2.5) | 7.3 | (3.3) |
| Speed of Information Processing | ||||||
| Digit Symbol | 51.8 | (12) | 34.5 | (10.9) | 23 | (14.0) |
| Color Trails 1† | 51.2 | (9.3) | 76.3 | (29.0) | 99.3 | (28.9) |
| Attention/Working Memory | ||||||
| Digit Span | 13.8 | (2.1) | 12.2 | (3.2) | 11.2 | (4.7) |
| Visual and Verbal Learning | ||||||
| AVLT Total Score | 52.8 | (3.2) | 45.1 | (8.0) | 41.3 | (6.7) |
| AVLT Trial V | 12.5 | (1.4) | 11.1 | (2.0) | 9.3 | (2.7) |
| BVMT Total Recall | 21.8 | (4.8) | 17.4 | (8.2) | 13.2 | (6.9) |
| Visual and Verbal Memory | ||||||
| AVLT Delayed Recall | 12.2 | (1.7) | 9.4 | (2.9) | 7.7 | (2.3) |
| BVMT Delayed Recall | 8.8 | (1.8) | 6.3 | (3.6) | 5.7 | (2.9) |
| Motor Skills | ||||||
| Finger Tapper (D) | 44.7 | (5.7) | 38.3 | (5.7) | 34.4 | (10.1) |
| Finger Tapper (ND) | 38.2 | (6.4) | 33.8 | (4.1) | 33.5 | (7.7) |
| Grooved Pegboard (D)† | 71.2 | (10.3) | 91.7 | (25.6) | 111.3 | (27.8) |
| Grooved Pegboard (ND)† | 82.5 | (12.3) | 93.9 | (14.5) | 132.5 | (30.2) |
| Timed Gait† | 11 | (1.5) | 13.3 | (2.3) | 13.5 | (2.8) |
| Batteries | ||||||
| International HIV Dementia Scale | 11 | (1.7) | 9.9 | (1.9) | 8.5 | (1.8) |
| Mini-Mental State Examination | 27.5 | (1.9) | 27.1 | (2,1) | 26.5 | (2.2) |
*
Four individuals with non-HIV related neurologic diagnoses that affected performance on neuropsychological tests were dropped from this analysis.
†
Higher scores indicate worse performance. Abbreviations: ANI: Asymptomatic Neurocognitive Impairment; D = Dominant; HAD: HIV-associated dementia; MND: Mild Neurocognitive Disorder; ND = Non-dominant.