The costs of scaling up HIV and syphilis testing in low-and middle-income countries: A systematic review

Rabiah Al Adawiyah, Olga P.M. Saweri, David C. Boettiger, Tanya L. Applegate, Ari Probandari, Rebecca Guy, Lorna Guinness, Virginia Wiseman

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Around two-thirds of all new HIV infections and 90% of syphilis cases occur in low-and middle-income countries (LMICs). Testing is a key strategy for the prevention and treatment of HIV and syphilis. Decision-makers in LMICs face considerable uncertainties about the costs of scaling up HIV and syphilis testing. This paper synthesizes economic evidence on the costs of scaling up HIV and syphilis testing interventions in LMICs and evidence on how costs change with the scale of delivery. We systematically searched multiple databases (Medline, Econlit, Embase, EMCARE, CINAHL, Global Health and the NHS Economic Evaluation Database) for peer-reviewed studies examining the costs of scaling up HIV and syphilis testing in LMICs. Thirty-five eligible studies were identified from 4869 unique citations. Most studies were conducted in Sub-Saharan Africa (N = 17) and most explored the costs of rapid HIV in facilities targeted the general population (N = 19). Only two studies focused on syphilis testing. Seventeen studies were cost analyses, 17 were cost-effectiveness analyses and 1 was cost-benefit analysis of HIV or syphilis testing. Most studies took a modelling approach (N = 25) and assumed costs increased linearly with scale. Ten studies examined cost efficiencies associated with scale, most reporting short-run economies of scale. Important drivers of the costs of scaling up included testing uptake and the price of test kits. The 'true' cost of scaling up testing is likely to be masked by the use of short-term decision frameworks, linear unit-cost projections (i.e. multiplying an average cost by a factor reflecting activity at a larger scale) and availability of health system capacity and infrastructure to supervise and support scale up. Cost data need to be routinely collected alongside other monitoring indicators as HIV and syphilis testing continues to be scaled up in LMICs.

Original languageEnglish
Pages (from-to)939-954
Number of pages16
JournalHealth Policy and Planning
Volume36
Issue number6
DOIs
Publication statusPublished - 1 Jul 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 The Author(s) 2021. Published by Oxford University Press in association with The London School of Hygiene and Tropical Medicine.

Keywords

  • Scales
  • costs
  • healthcare costs
  • review

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