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Microbes & Immunity                                            Oxidative toxicity and folate in HIV on DTG-ART



              Test samples, calibrators, or controls were incubated   were communicated privately to each participant during
            with the labeled antigen, and the resulting complexes were   counseling sessions at the HIV clinic.
            magnetically separated from unbound fractions. Following
            a wash step, chemiluminescent starter reagents were added   3. Results
            to initiate light emission. The relative light units generated   3.1. Baseline characteristics of the study population
            were inversely proportional to the folate concentration in
            the test sample. 21                                Table 1 summarizes the sociodemographic characteristics
                                                               of the study population. The distribution of participants
              b.   Determination of malondialdehyde (MDA)      by sex was fairly equitable, with males comprising 48–51%
              MDA concentrations were measured using the       and females 49–52% across groups, showing no significant
            thiobarbituric  acid  reactive  substances  (TBARS)  assay   difference (p=0.816). The mean age of participants was 37.32
            with a semi-automated chemistry analyzer (EMP Semi-  ± 8.63 years, spanning 19–53 years, representing mostly
            Autochemistry  Analyzer,  Model:  168,  Manufactured  in   young-  and middle-aged adults in their physiologically
            China), following the method of Gutteridge and Wilkins. 22  active stages.
              The assay is based on the reaction of  MDA, a      However, age distribution differed significantly between
            byproduct of lipid peroxidation, with thiobarbituric acid   groups (p<0.001). While the majority of HIV-negative
            under acidic and high-temperature conditions to form
            a stable pink chromogen. Absorbance was measured   Table 1. Sociodemographic characteristics of study
            spectrophotometrically at 532  nm. The concentration of   participants across treatment groups
            MDA was calculated using the Beer-Lambert law:
                                                               Baseline       Subject  Control   x²     p‑value
                            ( A   A   10 6                   characteristic
                 MDA M   532   blank)           (I)    Age group

                                    l
                                                                19–28         6 (16.2)  24 (64.9)  20.254  <0.001
              Where ε is the molar extinction coefficient and l is the
            path length.                                        29–38         13 (35.1)  8 (21.6)
                                                                39–48         14 (37.8)  5 (13.5)
              Alternatively, concentration was expressed as: 23  49–58        4 (10.8)  0 (0.00)
              [MDA](nmol/mL) = (A -A blank ) × 6.41    (II)    Sex
                                 532
            2.3. Statistical analysis                           Male          18 (48.6)  19 (51.4)  0.054  0.816
                                                                Female        19 (51.4)  18 (48.6)
            Data were analyzed using SPSS version 26.0 (IBM Corp.,   Educational status
            USA).  Descriptive statistics  (mean ± standard deviation
            for continuous variables and frequencies/percentages for   Primary  10 (27.0)  10 (27.0)  0.670  0.715
            categorical variables) were computed.               Secondary     16 (43.2)  13 (35.1)
            (i)  Comparisons of means across the three groups were   Tertiary  11 (29.7)  14 (37.8)
               performed using independent sample t-tests and one-  Socioeconomic status
               way analysis of variance, where appropriate      Low           27 (73.0)  26 (70.3)  1.019  0.601
            (ii)  Chi-square tests were used for categorical variables  Middle  10 (27.0)  10 (27.0)
            (iii) Effect sizes were calculated using Cohen’s d, allowing
               interpretation of the magnitude of observed differences   High  0 (0.00)  1 (2.7)
               beyond statistical significance                 Occupation
            (iv)  A p<0.05 was considered statistically significant  Artisan  7 (18.9)  0 (0.00)  20.567  0.001
            (v)  Results are presented in tables and figures to enhance   Business/trader  21 (56.8)  14 (37.8)
               clarity.                                         Civil servant  7 (18.9)  17 (45.9)
            2.4. Confidentiality and data management            Farmer        0 (0.00)  3 (8.1)
                                                                Student       0 (0.00)  3 (8.1)
            All participants’ personal identifiers—including names,   Unemployed  2 (5.4)  0 (0.00)
            age, and contact details—were anonymized and coded
            before analysis. Laboratory samples were labeled with   Marital status
            numeric codes rather than participant information. Data   Single  14 (37.8)  18 (48.6)  0.881  0.348
            were stored on a password-protected computer with access   Married  23 (62.2)  19 (51.4)
            limited to the research team. Individual laboratory results   Note: Data are expressed as n (%).


            Volume 2 Issue 4 (2025)                        125                           doi: 10.36922/MI025310074
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