Same‐day antiretroviral therapy is associated with increased loss to follow‐up in South African public health facilities: a prospective cohort study of patients diagnosed with HIV

Joseph Davey, D., Kehoe, K., Serrao, C., Prins, M., Mhize, N., Hlophe, K., Sejake, S.and Malone, T

Introduction

South Africa introduced Universal Test and Treat in 2016 including antiretroviral therapy (ART) initiation on the same‐day as HIV diagnosis. Our study sought to evaluate the impact of same‐day ART initiation on loss to follow‐up (LTFU) and mortality comparing with patients who initiated ART after their HIV diagnosis.

Methods

We conducted a file review of patients with a HIV diagnosis and ART start date on file between September 2016 and May 2018 in six high HIV burden districts. Our primary outcome was LTFU (>90 days from the last clinical visit or drug pick‐up until database closure 31 July 2018). The secondary outcome was mortality after ART initiation. Time to outcome was assessed comparing same‐day vs. one to seven, eight to twenty‐one and ≥ twenty‐two days to ART initiation using Kaplan‐Meier estimators stratified by sex. We investigated predictors using univariate and multivariable Cox proportional hazards models, adjusting for a priori characteristics.

Results

Overall, 92,609 ART patients contributed 43,922 person‐years from ART initiation, with a median follow‐up time of 246 days (IQR = 112 to 455). Of these patients, 33,399 (36%) initiated ART on the same‐day as their HIV diagnosis date and had a median follow‐up time of 174 days (IQR = 85 to 349). Same‐day patients were predominantly non‐pregnant females (56%) and aged 25 to 34 years (40%). Same‐day ART initiation increased from 2.8% in September 2016 to 7.1% in April 2018. In same‐day patients, 33% (n = 11,114) were classified as LTFU with a median time of 55 days (IQR = 1 to 185), compared to 371 mean days (IQR = 161 to 560) in patients who initiated ≥22 days after diagnosis. A similar proportion of LTFU was observed for patients who initiated later: 31% 1 to 21 day and 33% ≥22 day. Same‐day ART patients had an increased risk of LTFU vs. ≥1 day (adjusted hazard ratio (aHR) = 1.28, 95% CI = 1.24 to 1.33) adjusting for covariates. Although all‐cause mortality was slightly lower in same‐day patients (0.9%) vs. >1 day (1.4%; aHR = 0.87, 95% CI = 0.72 to 1.05) adjusting for covariates. Men had highest risk of mortality and LTFU.

Conclusions

Same‐day ART increased the risk of LTFU, but same‐day patients experienced slightly lower mortality. Same‐day patients may require additional counselling and interventions to improve retention. Additional research is needed on targeted interventions, including differentiated care, to reduce LTFU in patients initiating ART same‐day.

June 18, 2020
Year of publication
2020
Resource types
Journal and research articles
Countries
Tags
antiretroviral therapy (ART), HIV diagnosis, HIV mortality

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