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. 2023 Jun 26;13:10331. doi: 10.1038/s41598-023-37493-3

Table 2.

Demographic data and clinical characteristics between two groups.

No. (%), mean ± SD or median (IQR)
HIV-NCI (n = 33) HIV-control (n = 33) P-value
Average age (year) 61.16 ± 6.88 59.41 ± 5.41 0.25a
Gender (male, %) 32 (97.0) 30 (90.9) 0.29b
Years of education (n[%]) 0.41b
 Primary school and below 1 (3.0) 3 (9)
 Junior school 20 (60.6) 17 (51.5)
 Senior school 10 (30.3) 8 (24.2)
 Undergraduate and above 2 (6.0) 5 (15.1)
MMSE score 22.26 ± 2.98 26.55 ± 1.30 0.002a
IHDS score 7.12 ± 1.82 9.27 ± 1.06 0.003a
PSQI score 8.03 ± 3.68 7.40 ± 3.03 0.44a
SAS score 41.88 ± 7.26 40.15 ± 8.06 0.36a
HIV-infected related variables
 Time since HIV diagnosis (years) 5.58 (3.42–7.75) 5.43 (3.39–7.93) 0.83c
 Duration of ART (years) 4.89 (3.16–7.34) 5.29 (3.09–7.41) 0.94c
 AIDS (v.s. HIV, n[%]) 13 (39.4) 10 (33.3) 0.47b
 Nadir CD4 count, cells/μL 160 (72–279) 156 (57–255) 0.48c
 Current CD4 count, cells/μL 453 (306–640) 432 (333–620) 0.75c

NCI neurocognitive impairment, wNCI without neurocognitive impairment, MMSE minimum mental state examination, IHDS International HIV Dementia Scale, PSQI Pittsburgh Sleep Quality Index, SAS Self-rating Anxiety Scale, ART antiretroviral therapy, AIDS refer to the AIDS stage of HIV infection, SD standard deviation.

aTwo independent-sample test.

bChi-square test.

cWilcoxon rank sum test.