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Page 2 of 4  Scientific Letter


              All  participants had been initiated on  ART after the   cervical smears. Amongst the women with abnormal cervical
              introduction of UTT. Cervical smear results were checked   smears, 62 women (35.2%) had LSIL, three (1.7%) had HSIL
              using NHLS records for all women at screening. Women with   and one (0.6%) had ASCUS. Women with a CD4 count < 200
                                                                           3
              abnormal cervical smear results of high-grade squamous   cells/mm  had the highest proportion of abnormal cervical
              intraepithelial  lesion  (HSIL)  who  needed  referral  for   smears (20/40, 50.0%). Of the 59 women with no cervical
              colposcopy did not meet the STREAM study eligibility criteria   smear test result available, eight (13.6%) tests were performed
              of being clinically stable (as they required active care by a   but no test result was available, 13 (22.0%) were inadequate for
              physician) and were excluded from STREAM, and therefore   evaluation and 38 (64.4%) had no record of testing. Median
              from this analysis.  Those without a baseline cervical smear   CD4 count amongst women with no smear result was 405
                            4
              result had a smear test after entry into the study and continued   (IQR 244–608), compared to 401 (IQR 207–611) amongst those
              follow-up, even if a high-grade lesion was detected.  with a smear result (p = 0.498).

              Data source and data management                       In bivariable analysis, women with an initiation CD4 count
                                                                    of  ≤ 500 cells/mm  had a higher risk of abnormal
                                                                                     3
              At enrolment, we recorded socio-demographic, laboratory   cervical smears, compared to women with a CD4 count > 500
              and clinical information using a nurse-administered   cells/mm  (risk ratio 1.84, 95% confidence interval [CI]
                                                                           3
              questionnaire and by retrospective review of clinical notes   1.04–3.28, Table 2). Women who had not completed secondary
              and NHLS records. We used the following validated     education also had a higher risk of abnormal cervical smears.
              questionnaires: Audit-C to assess alcohol use, Patient Health   Time from diagnosis to  ART initiation, having a stable
              Questionnaire 2 (PHQ2) for depression and World Health   partner, previous tuberculosis, contraceptive use, intimate
              Organization Violence Against Women for intimate partner   partner violence, alcohol use or depression were not
              violence. We captured data in the secure, password-protected   associated with abnormal cervical smear results.
              iDataFax system (DF/Net Research, Inc., Seattle, WA, USA)
              and performed three rounds of data quality checks consisting   In multivariable analyses, late initiators of ART had a higher
              of source document review, internal quality audits and   risk  of  abnormal  cervical  smears  when  compared  to  early
              weekly quality reports.                               initiators (adjusted risk ratio [aRR] 1.71, 95% CI 1.04–2.80).
                                                                    Furthermore, independent of CD4 count, women with a
              Statistical analysis                                  lower educational status also had a higher risk of abnormal
                                                                    cervical smears (aRR 1.48, 95% Cl 1.02–2.14).
              We assessed socio-demographic and clinical exposure
              variables including age, educational status, having a stable   TABLE 1: Baseline characteristics of women with cervical smear results available
              partner, parity, contraceptive use, time from diagnosis to   (N = 176). 5
              ART initiation, previous tuberculosis, intimate partner   Characteristics     Level    %   Overall  N
                                                                                                           n
              violence, alcohol use or depression and CD4 count.
                                                                                            ≤ 24
              The primary outcome for this analysis was the absence or the   Age            25–34   21.0   37   176
                                                                                                    44.9
                                                                                                                176
                                                                                                           79
              presence of an abnormal cervical smear, which included                        ≥ 35    34.1   60   176
              atypical squamous  cells of undetermined  significance   Secondary education   Yes    55.4   97   175
              (ASCUS), low-grade squamous intraepithelial lesion (LSIL)                      No     44.6   78   175
              and HSIL. We used descriptive statistics to summarise   Regular or stable partner  Yes  78.4  138  176
              socio-demographic and clinical variables and missing data.                     No     21.6   38   176
              Associations between socio-demographic and clinical   Time from diagnosis to initiation  ≤ 6 months  67.1  112  167
              exposures, and the outcome of an abnormal cervical smear                    > 6 months  32.9  55  167
              result were assessed using bivariable and multivariable   Previous history of tuberculosis  Yes  11.4  20  176
              Poisson regression models with robust variance. We included                    No     88.6  156   176
                                                                                                           28
              covariates with a p-value of < 0.15 in the bivariable analysis   Risky alcohol intake†  Yes  19.4  116  144
                                                                                                    80.6
                                                                                             No
                                                                                                                144
              into  the  multivariable  model.  We  used  SAS  version  9.4   Positive depression screen (PHQ-  Yes  8.5  15  176
              (SAS Institute Inc., Cary, NC, USA) for the statistical analysis.  2 score of 2 or more)  No  91.5  161  176
                                                                    Any history of intimate partner   Yes  17.7  31  175
              Results                                               violence                 No     82.3  144   175
                                                                    CD4 count (cells/mm ) 3  ≤ 500  35.2   62   176
              A total of 390 participants were enrolled into the  STREAM study,             > 500   64.8  114   176
              of whom 235 (60.3%) were women, with a median age  of   Children              None    19.3   34   176
              30 years (interquartile range [IQR] 26–37 years) and a median                1 or more  80.7   142  176
              CD4 count of 401/cells/mm  (IQR 215–608 cells/mm ). Eight   Contraception use  Yes    14.2   25   176
                                                        3
                                    3
              women who had HSIL at ART initiation were not eligible for                     No     85.8  151   176
              enrolment and thus were excluded from the STREAM study.   Source: Drain PK, Dorward J, Violette LR, et al. Point-of-care HIV viral load testing combined
                                                                    with task shifting to improve treatment outcomes (STREAM): Findings from an open-label,
              Of the 235  women, 176 (74.9%) women with a conclusive   non-inferiority, randomised controlled trial. Lancet HIV. 2020. https://doi.org/10.1016/
              cervical smear result were included in this analysis (Table 1),   S2352-3018(19)30402-3. Epub ahead of print.
                                                                    PHQ-2, Patient Health Questionnaire 2.
              and of the  176 women included, 66 (37.5%) had abnormal   †, In women, an AUDIT-C score of 3 or more is considered positive for at-risk alcohol use.
                                           http://www.sajhivmed.org.za 347  Open Access
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