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Cost-Effectiveness Analysis of Screening for and Managing Identified Hypertension for Cardiovascular Disease Prevention in Vietnam

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  • Thi-Phuong-Lan Nguyen
  • E Pamela Wright
  • Thanh-Trung Nguyen
  • C C M Schuiling-Veninga
  • M J Bijlsma
  • Thi-Bach-Yen Nguyen
  • M J Postma

Abstract

Objective: To inform development of guidelines for hypertension management in Vietnam, we evaluated the cost-effectiveness of different strategies on screening for hypertension in preventing cardiovascular disease (CVD). Methods: A decision tree was combined with a Markov model to measure incremental cost-effectiveness of different approaches to hypertension screening. Values used as input parameters for the model were taken from different sources. Various screening intervals (one-off, annually, biannually) and starting ages to screen (35, 45 or 55 years) and coverage of treatment were analysed. We ran both a ten-year and a lifetime horizon. Input parameters for the models were extracted from local and regional data. Probabilistic sensitivity analysis was used to evaluate parameter uncertainty. A threshold of three times GDP per capita was applied. Results: Cost per quality adjusted life year (QALY) gained varied in different screening scenarios. In a ten-year horizon, the cost-effectiveness of screening for hypertension ranged from cost saving to Int$ 758,695 per QALY gained. For screening of men starting at 55 years, all screening scenarios gave a high probability of being cost-effective. For screening of females starting at 55 years, the probability of favourable cost-effectiveness was 90% with one-off screening. In a lifetime horizon, cost per QALY gained was lower than the threshold of Int$ 15,883 in all screening scenarios among males. Similar results were found in females when starting screening at 55 years. Starting screening in females at 45 years had a high probability of being cost-effective if screening biannually was combined with increasing coverage of treatment by 20% or even if sole biannual screening was considered. Conclusion: From a health economic perspective, integrating screening for hypertension into routine medical examination and related coverage by health insurance could be recommended. Screening for hypertension has a high probability of being cost-effective in preventing CVD. An adequate screening strategy can best be selected based on age, sex and screening interval.

Suggested Citation

  • Thi-Phuong-Lan Nguyen & E Pamela Wright & Thanh-Trung Nguyen & C C M Schuiling-Veninga & M J Bijlsma & Thi-Bach-Yen Nguyen & M J Postma, 2016. "Cost-Effectiveness Analysis of Screening for and Managing Identified Hypertension for Cardiovascular Disease Prevention in Vietnam," PLOS ONE, Public Library of Science, vol. 11(5), pages 1-17, May.
    • Handle: RePEc:plo:pone00:0155699
    DOI: 10.1371/journal.pone.0155699
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    References listed on IDEAS

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    1. Ciancio, Alberto & Kämpfen, Fabrice & Kohler, Hans-Peter & Kohler, Iliana V., 2021. "Health screening for emerging non-communicable disease burdens among the global poor: Evidence from sub-Saharan Africa," Journal of Health Economics, Elsevier, vol. 75(C).
    2. Martijn J. Oude Wolcherink & Carina M. Behr & Xavier G. L. V. Pouwels & Carine J. M. Doggen & Hendrik Koffijberg, 2023. "Health Economic Research Assessing the Value of Early Detection of Cardiovascular Disease: A Systematic Review," PharmacoEconomics, Springer, vol. 41(10), pages 1183-1203, October.

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