Research Article

Prevalence and Correlates of HIV-Associated Neurocognitive Disorders (HAND) in Northwestern Nigeria

Table 3

Demographic, clinical, and laboratory characteristics of HIV-positive individuals across the HAND categories.

CharacteristicsAAN-defined HAND categories, (%) Statistical value
UnimpairedANIMNDHAD
19 (24)33 (41)17 (21)11 (14)

Age, (years)36.89 (8.32)36.97 (8.77)36.35 (10.09)36.55 (10.10)

Gender, (%)
 Male
 Female
12 (63)
7 (37)
19 (57.6)
14 (42.4)
8 (47.1)
9 (52.9)
5 (45.5)
6 (54.5)


Education, (years)13.79 (2.57)12.15 (4.09)12.29 (3.98)8.00 (5.44)

AIDS, (%)
 Yes
 No
7 (37)
12 (63)
16 (48.5)
17 (51.5)
8 (47.1)
9 (52.9)
7 (63.6)
4 (36.4)


Karnofsky score100 (80–100)90 (50–100)90 (70–100)80 (50–80)

CPE score, (%)
 ≤2
 >2
6 (54.5)
5 (45.5)
10 (58.8)
7 (41.2)
6 (60)
4 (40)
0 (0)
2 (100)


Current CD4 count182 (72–1226)294 (19–926)378 (51–861)143 (14–675)

Nadir CD4 count
 <200
 ≥200
7 (63.6)
4 (36.4)
12 (70.6)
5 (29.4)
8 (80)
2 (20)
1 (50)
1 (50)


Viral load (log10)2.6 (2.6–5.9)2.6 (2.6–4.9)5.5 (2.6–5.8)2.6 (2.6–6.0)

Haemoglobin (g/dL)11.5 (9.2–12.6)10.9 (7.7–13.8)10.6 (7.7–13.2)9.0 (4.4–11.1)

BDI score13.74 (9.60)8.85 (7.65)12.59 (8.16)16.27 (7.98)

ANI, asymptomatic neurocognitive impairment; AAN, American Academy of Neurology; AIDS, Acquired Immune Deficiency Syndrome; BDI, Beck Depression Inventory; CDC, Center for Disease Control and Classification; CPE, CNS penetrating effectiveness; HAD, HIV-associated dementia; IQR, Interquartile Range; MND, mild neurocognitive disorder. Mean (SD). Median (IQR). Continuous variables analyzed using one-way analysis of variance (ANOVA) and Kruskal-Wallis test as appropriate.