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The Use of Expert Elicitation among Computational Modeling Studies in Health Research: A Systematic Review

Author

Listed:
  • Christopher J. Cadham

    (Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, MI, USA)

  • Marie Knoll

    (Georgetown University, Lombardi Comprehensive Cancer Center, Washington, DC, USA)

  • Luz María Sánchez-Romero

    (Georgetown University, Lombardi Comprehensive Cancer Center, Washington, DC, USA)

  • K. Michael Cummings

    (Department of Psychiatry & Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA)

  • Clifford E. Douglas

    (Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, MI, USA
    University of Michigan, Tobacco Research Network, Ann Arbor, MI, USA)

  • Alex Liber

    (Georgetown University, Lombardi Comprehensive Cancer Center, Washington, DC, USA)

  • David Mendez

    (Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, MI, USA)

  • Rafael Meza

    (Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA)

  • Ritesh Mistry

    (Department of Health Behavior and Health Education, University of Michigan School of Public Health, Ann Arbor, MI, USA)

  • Aylin Sertkaya

    (Eastern Research Group, Inc., Lexington, MA, USA)

  • Nargiz Travis

    (Department of Health Management and Policy, University of Michigan, School of Public Health, Ann Arbor, MI, USA
    Georgetown University, Lombardi Comprehensive Cancer Center, Washington, DC, USA)

  • David T. Levy

    (Georgetown University, Lombardi Comprehensive Cancer Center, Washington, DC, USA)

Abstract

Background Expert elicitation (EE) has been used across disciplines to estimate input parameters for computational modeling research when information is sparse or conflictual. Objectives We conducted a systematic review to compare EE methods used to generate model input parameters in health research. Data Sources PubMed and Web of Science. Study Eligibility Modeling studies that reported the use of EE as the source for model input probabilities were included if they were published in English before June 2021 and reported health outcomes. Data Abstraction and Synthesis Studies were classified as “formal†EE methods if they explicitly reported details of their elicitation process. Those that stated use of expert opinion but provided limited information were classified as “indeterminate†methods. In both groups, we abstracted citation details, study design, modeling methodology, a description of elicited parameters, and elicitation methods. Comparisons were made between elicitation methods. Study Appraisal Studies that conducted a formal EE were appraised on the reporting quality of the EE. Quality appraisal was not conducted for studies of indeterminate methods. Results The search identified 1520 articles, of which 152 were included. Of the included studies, 40 were classified as formal EE and 112 as indeterminate methods. Most studies were cost-effectiveness analyses (77.6%). Forty-seven indeterminate method studies provided no information on methods for generating estimates. Among formal EEs, the average reporting quality score was 9 out of 16. Limitations Elicitations on nonhealth topics and those reported in the gray literature were not included. Conclusions We found poor reporting of EE methods used in modeling studies, making it difficult to discern meaningful differences in approaches. Improved quality standards for EEs would improve the validity and replicability of computational models. Highlights We find extensive use of expert elicitation for the development of model input parameters, but most studies do not provide adequate details of their elicitation methods. Lack of reporting hinders greater discussion of the merits and challenges of using expert elicitation for model input parameter development. There is a need to establish expert elicitation best practices and reporting guidelines.

Suggested Citation

  • Christopher J. Cadham & Marie Knoll & Luz María Sánchez-Romero & K. Michael Cummings & Clifford E. Douglas & Alex Liber & David Mendez & Rafael Meza & Ritesh Mistry & Aylin Sertkaya & Nargiz Travis , 2022. "The Use of Expert Elicitation among Computational Modeling Studies in Health Research: A Systematic Review," Medical Decision Making, , vol. 42(5), pages 684-703, July.
    • Handle: RePEc:sae:medema:v:42:y:2022:i:5:p:684-703
    DOI: 10.1177/0272989X211053794
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    References listed on IDEAS

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