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Table 3 Test Performance Differences

From: Neurocognitive impairment in treatment-experienced adults living with HIV attending primary care clinics in Zimbabwe

Domain

Test

HIV Positive

HIV Negative

p-value

Mean (SD)

95% CI

Mean (SD)

95% CI

Executive Function

Wisconsin card sorting test total

60.4 (20.4)

57.1–63.7

61.6 (19.6)

57.1–66.0

0.680

Wisconsin card sorting test trials

53.3 (47.7)

45.7–61.0

46.1 (46.8)

35.4–56.8

0.280

Color Trails 2b

159.6 (59.0)

139.9–155.2

122.9 (42.5)

113.2–132.6

0.001

Attention

Digit Span

12.1 (3.3)

12.2–13.0

13.7(2.6)

13.1–14.3

0.001

Spatial Span

8.8 (3.5)

8.2–9.3

10.9 (3.0)

10.2–11.6

0.001

PASATa

21.1 (9.3)

19.6–22.5

26.9 (12.6)

24.1–29.8

0.001

Speed of Information Processing

Digit Symbol

33.3 (11.6)

31.5–35.2

43.2 (15.0)

39.8–46.7

0.001

Symbol Search

18.9 (5.7)

18.0–19.8

22.6 (7.0)

21.0–24.2

0.001

TMTAa, b

66.0 (23.0)

57.9–63.9

50.5 (16.3)

46.8–54.3

0.001

Color Trails 1b

73.8 (30.0)

68.9–78.8

59.4 (24.2)

53.9–65.0

0.001

Learning

BVMTa

8.1 (4.9)

7.4–8.9

10.6 (5.4)

9.3–11.8

0.001

HVLTa

20.5 (3.3)

20.0–21.1

21.8 (3.5)

21.0–22.6

0.007

Memory

BVMTa Recall

3.4 (2.2)

3.0–3.8

4.5 (2.5)

4.0–5.0

0.001

HVLTa Recall

6.2 (1.9)

5.9–6.5

6.9(1.9)

6.5–7.3

0.009

Motor Function

Grooved pegboard nondominantb

104.0 (25.8)

99.9–108.1

91.8 (23.3)

86.5–97.2

0.001

Grooved Pegboard dominantb

91.6 (31.4)

86.6–96.6

80.6 (23.2)

75.3–85.9

0.008

Successive Finger Tapping non dominantb

11.0 (5.0)

10.2–11.8

11.9 (8.2)

10.1–13.8

0.280

Successive Finger Tapping dominantb

11.1 (5.0)

10.3–11.9

10.8 (3.8)

10.0–11.7

0.650

Verbal Fluency

Fruit and Vegetable List

12.7 (3.6)

12.1–13.2

14.0 (3.2)

13.2–14.7

0.001

Animal List

13.2 (3.2)

12.7–13.7

14.6 (3.2)

13.9–15.3

0.002

  1. aAbbreviations: PASAT-Paced Auditory Serial Addition Test; TMT A-Trail Making Test Part A; BVMT-Brief Visuospatial Memory test; HVLT-Hopkins Verbal Learning Test;
  2. bHigher scores indicate worse performance