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Adherence to the iDSI reference case among published cost-per-DALY averted studies

Author

Listed:
  • Joanna Emerson
  • Ari Panzer
  • Joshua T Cohen
  • Kalipso Chalkidou
  • Yot Teerawattananon
  • Mark Sculpher
  • Thomas Wilkinson
  • Damian Walker
  • Peter J Neumann
  • David D Kim

Abstract

Background: The iDSI reference case, originally published in 2014, aims to improve the quality and comparability of cost-effectiveness analyses (CEA). This study assesses whether the development of the guideline is associated with an improvement in methodological and reporting practices for CEAs using disability-adjusted life-years (DALYs). Methods: We analyzed the Tufts Medical Center Global Health CEA Registry to identify cost-per-DALY averted studies published from 2011 to 2017. Among each of 11 principles in the iDSI reference case, we translated all methodological specifications and reporting standards into a series of binary questions (satisfied or not satisfied) and awarded articles one point for each item satisfied. We then calculated methodological and reporting adherence scores separately as a percentage of total possible points, measured as normalized adherence score (0% = no adherence; 100% = full adherence). Using the year 2014 as the dissemination period, we conducted a pre-post analysis. We also conducted sensitivity analyses using: 1) optional criteria in scoring, 2) alternate dissemination period (2014–2015), and 3) alternative comparator classification. Results: Articles averaged 60% adherence to methodological specifications and 74% adherence to reporting standards. While methodological adherence scores did not significantly improve (59% pre-2014 vs. 60% post-2014, p = 0.53), reporting adherence scores increased slightly over time (72% pre-2014 vs. 75% post-2014, p

Suggested Citation

  • Joanna Emerson & Ari Panzer & Joshua T Cohen & Kalipso Chalkidou & Yot Teerawattananon & Mark Sculpher & Thomas Wilkinson & Damian Walker & Peter J Neumann & David D Kim, 2019. "Adherence to the iDSI reference case among published cost-per-DALY averted studies," PLOS ONE, Public Library of Science, vol. 14(5), pages 1-13, May.
    • Handle: RePEc:plo:pone00:0205633
    DOI: 10.1371/journal.pone.0205633
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    References listed on IDEAS

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    1. Don Husereau & Michael Drummond & Stavros Petrou & Chris Carswell & David Moher & Dan Greenberg & Federico Augustovski & Andrew Briggs & Josephine Mauskopf & Elizabeth Loder, 2013. "Consolidated Health Economic Evaluation Reporting Standards (CHEERS) Statement," PharmacoEconomics, Springer, vol. 31(5), pages 361-367, May.
    2. Alastair M. Gray & Thomas Wilkinson, 2016. "Economic evaluation of healthcare interventions: old and new directions," Oxford Review of Economic Policy, Oxford University Press and Oxford Review of Economic Policy Limited, vol. 32(1), pages 102-121.
    3. Benjarin Santatiwongchai & Varit Chantarastapornchit & Thomas Wilkinson & Kittiphong Thiboonboon & Waranya Rattanavipapong & Damian G Walker & Kalipso Chalkidou & Yot Teerawattananon, 2015. "Methodological Variation in Economic Evaluations Conducted in Low- and Middle-Income Countries: Information for Reference Case Development," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-15, May.
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    1. Don Husereau & Michael Drummond & Federico Augustovski & Esther Bekker-Grob & Andrew H. Briggs & Chris Carswell & Lisa Caulley & Nathorn Chaiyakunapruk & Dan Greenberg & Elizabeth Loder & Josephine Ma, 2022. "Consolidated Health Economic Evaluation Reporting Standards 2022 (CHEERS 2022) Statement: Updated Reporting Guidance for Health Economic Evaluations," PharmacoEconomics, Springer, vol. 40(6), pages 601-609, June.
    2. Ari D. Panzer & Joanna G. Emerson & Brittany D'Cruz & Avnee Patel & Saudamini Dabak & Wanrudee Isaranuwatchai & Yot Teerawattananon & Daniel A. Ollendorf & Peter J. Neumann & David D. Kim, 2020. "Growth and capacity for cost‐effectiveness analysis in Africa," Health Economics, John Wiley & Sons, Ltd., vol. 29(8), pages 945-954, August.

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