Cost-effectiveness and budget impact of the community-based management of hypertension in Nepal study (COBIN): a retrospective analysis

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  • Anirudh Krishnan, Program in Health Services and Systems Research, Duke-NUS Medical School, Singapore.
  • ,
  • Eric Andrew Finkelstein, Program in Health Services and Systems Research, Duke-NUS Medical School, Singapore. Electronic address: eric.finkelstein@duke-nus.edu.sg.
  • ,
  • Per Kallestrup
  • Arjun Karki, Patan Academy of Health Sciences, Lagankhel, Lalitpur, Nepal.
  • ,
  • Michael Hecht Olsen, Department of Internal Medicine, Holbaek Hospital, University of Southern Denmark, Odense, Denmark.
  • ,
  • Dinesh Neupane, Nepal Development Society, Bharatpur-10, Chitwan, Nepal; Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

BACKGROUND: The greatest risk factor for cardiovascular disease is hypertension, which can be alleviated via diet, exercise, and adherence to medication. Yet, blood pressure control in Nepal is inadequate, which is partly hindered by a lack of evidence-based, low-cost, scalable, and cost-effective cardiovascular disease prevention programmes. The the community-based management of hypertension in Nepal (COBIN) study was a 12-month community-based hypertension management programme of blood pressure monitoring and lifestyle counselling intervention undertaken by female community health volunteers (FCHVs) in Nepal, against usual care, which showed success in reducing blood pressure. Here we aimed to retrospectively quantify the budget impact and cost-effectiveness of the scale-up of the programme.

METHODS: In this retrospective analysis, we collected participant-level data from the COBIN study; programme delivery cost data from programme administrators from the COBIN study group; and popualtion and other data from WHO, the World Bank, and the Nepalese Government. We estimated costs per participant and total costs of a national scale-up of the COBIN programme focusing on two scenarios: scenario A, delivery of the intervention to only people aged 25-65 years with hypertension; and scenario B, delivery of the intervention to all adults aged 25-65 years regardless of hypertension status. Effectiveness was based on in-trial blood pressure reductions converted to cardiovascular disease disability-adjusted life-years (DALYs) averted. The primary cost-effectiveness measure was incremental cost per averted cardiovascular disease DALY (calculated using the incremental cost-effectiveness ratio [ICER]) from a health system perspective, including programme delivery and incremental medication costs. We did univariate sensitivity analyses of scenario B to assess the effect of uncertainty in key parameter values in our calculations.

FINDINGS: From a health system perspective, the first-year budget impact was US$7·1 million in scenario A and $10·8 million in scenario B. With each subsequent year, the costs decreased by approximately 50%. In the base-case cost-effectiveness analysis, from the health system perspective, scenario A resulted in an ICER of $582 per DALY averted and scenario B resulted in an ICER of $411 per DALY averted. The ICER was most sensitive to uncertainty in the number of total avertable cardiovascular disease DALYs in the eligible population.

INTERPRETATION: The programme is projected to be highly cost-effective in both scenarios compared with the WHO thresholds for cost-effectiveness for Nepal. For policy makers intending to meet the UN Sustainable Development Goal of reducing premature mortality from non-communicible diseases, this intervention should be considered.

FUNDING: Duke-NUS Medical School, Singapore.

OriginalsprogEngelsk
TidsskriftThe Lancet Global Health
Vol/bind7
Nummer10
Sider (fra-til)e1367-e1374
Antal sider8
ISSN2214-109X
DOI
StatusUdgivet - okt. 2019

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Copyright © 2019 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 license. Published by Elsevier Ltd.. All rights reserved.

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