Prospective Study
Copyright ©The Author(s) 2025. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Aug 28, 2025; 31(32): 110333
Published online Aug 28, 2025. doi: 10.3748/wjg.v31.i32.110333
Cost-effectiveness of transient elastography for liver fibrosis screening in Thai patients with diabetes mellitus
Chayanis Kositamongkol, Pichaya Tantiyavarong, Alissa Ratanatawan, Pimsiri Sripongpun, Prawej Mahawithitwong, Prawat Kositamongkol, Surasak Saokaew, Pochamana Phisalprapa
Chayanis Kositamongkol, Pichaya Tantiyavarong, Department of Clinical Epidemiology, Faculty of Medicine, Thammasat University, Pathum Thani 10120, Pathum Thani, Thailand
Chayanis Kositamongkol, Pochamana Phisalprapa, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Krung Thep Maha Nakhon, Thailand
Alissa Ratanatawan, Department of Community Medicine and Family Medicine, Faculty of Medicine, Thammasat University, Pathum Thani 10120, Pathum Thani, Thailand
Pimsiri Sripongpun, Gastroenterology and Hepatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hatyai 90110, Songkhla, Thailand
Prawej Mahawithitwong, Prawat Kositamongkol, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Krung Thep Maha Nakhon, Thailand
Surasak Saokaew, Department of Pharmaceutical Care, School of Pharmaceutical Sciences, University of Phayao, Phayao 56000, Phayao, Thailand
Surasak Saokaew, Center of Excellence in Bioactive Resources for Innovative Clinical Applications, Chulalongkorn University, Bangkok 10330, Krung Thep Maha Nakhon, Thailand
Surasak Saokaew, Unit of Excellence on Clinical Outcomes Research and Integration (UNICORN), School of Pharmaceutical Sciences, University of Phayao, Phayao 56000, Phayao, Thailand
Co-corresponding authors: Pichaya Tantiyavarong and Pochamana Phisalprapa.
Author contributions: Tantiyavarong P and Phisalprapa P contributed equally to this study as co-corresponding authors; Kositamongkol C was responsible for the conceptualization, data curation, formal analysis, investigation, methodology, project administration, resources, validation, visualization, writing - original draft, and writing - review & editing; Tantiyavarong P was responsible for the conceptualization, formal analysis, methodology, project administration, validation, visualization, and writing - review & editing; Ratanatawan A was responsible for the conceptualization, methodology, supervision, validation, and writing - review & editing; Sripongpun P was responsible for the conceptualization, formal analysis, methodology, project administration, validation, visualization, writing - original draft, and writing - review & editing; Mahawithitwong P was responsible for the conceptualization, data curation, investigation, validation, and writing - review & editing; Kositamongkol P was responsible for the conceptualization, data curation, investigation, validation, and writing - review & editing; Saokaew S was responsible for the conceptualization, methodology, supervision, validation, and writing - review & editing; Phisalprapa P was responsible for the conceptualization, data curation, formal analysis, funding acquisition, investigation, methodology, project administration, resources, supervision, validation, visualization, and writing - review & editing.
Supported by Faculty of Medicine Siriraj Hospital, Mahidol University; Faculty of Medicine, Thammasat University; and University of Phayao and Thailand Science Research and Innovation Fund, No. 5017/2567.
Institutional review board statement: This study was approved by the Ethical Committee of Faculty of Medicine Siriraj Hospital, Mahidol University (Certificate of Approval No. Si 990/2023) and the Human Research Ethics Committee of Thammasat University (Medicine; Certificate of Approval No. 124/2024).
Clinical trial registration statement: This study is not a clinical trial involving human subjects; therefore, it was not registered in any Clinical Trial Registry.
Informed consent statement: The need for informed consent was waived owing to the retrospective nature of the study.
Conflict-of-interest statement: The authors have no conflicts of interest to declare.
CONSORT 2010 statement: The authors have read the CONSORT 2010 Statement, and the manuscript was prepared and revised according to the CONSORT 2010 Statement.
Data sharing statement: This article and its Supplementary Information files include all the data generated or analyzed during this study.
Open Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Pochamana Phisalprapa, MD, PhD, Associate Professor, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Rd., Siriraj, Bangkok Noi, Bangkok 10700, Krung Thep Maha Nakhon, Thailand. pochamana.phi@mahidol.ac.th
Received: June 5, 2025
Revised: July 2, 2025
Accepted: August 1, 2025
Published online: August 28, 2025
Processing time: 83 Days and 20.3 Hours
Abstract
BACKGROUND

The association between diabetes mellitus (DM) and metabolic dysfunction-associated steatotic liver disease (MASLD) is well documented, with DM increasing the risk of developing MASLD and liver fibrosis.

AIM

To evaluate the cost-effectiveness and budget impact of transient elastography (TE) for detecting significant fibrosis in Thai patients with DM.

METHODS

We conducted a lifetime cost-utility analysis from a societal perspective, combining a decision tree with a Markov model. Four alternatives were compared: Fibrosis-4 (FIB-4) index triage followed by TE, steatosis-associated fibrosis estimator (SAFE) score triage followed by TE, standalone TE, and no screening. Clinical probabilities, utilities, and costs came from previous studies and Siriraj Hospital data. Costs and quality-adjusted life-years (QALYs) were discounted 3% annually, and incremental cost-effectiveness ratios (ICERs) were judged against the 160000-Thai baht (THB; 4619 United States dollars [USD])/QALY threshold. A 5-year budget impact was evaluated from the payer perspective.

RESULTS

Among the screening methods evaluated, TE alone yielded the highest total lifetime costs of 200403 THB (5785 USD) and the highest QALYs of 12.81. Compared to no screening, all strategies demonstrated cost-effectiveness with ICERs of 75961, 80385, and 98965 THB (2193, 2321, and 2857 USD)/QALY gained for FIB-4 + TE, SAFE + TE, and TE alone, respectively. Extended dominance favored SAFE + TE, yet probabilistic analysis showed FIB-4 + TE had the highest cost-effectiveness probability and the smallest budget impact. Estimated annual budget impacts amounted to 470.7-755.8 million THB (13.6-21.8 million USD).

CONCLUSION

Implementing screening for significant fibrosis in patients with DM is cost-effective. In resource-limited settings, prioritizing the FIB-4 index as a triage tool before TE is recommended.

Keywords: Cost-utility analysis; Diabetes mellitus; Economic evaluation; Metabolic dysfunction-associated steatotic liver disease; Transient elastography

Core Tip: Transient elastography (TE) is a promising tool for liver fibrosis screening, but its cost-effectiveness data in low- and middle-income countries is limited. Screening for significant fibrosis in patients with diabetes mellitus is recommended, yet implementation faces resource challenges. Fibrosis-4 index followed by TE offers the highest probability of being cost-effective and the lowest budget impact in Thailand. Prioritizing scoring systems as a triage tool can optimize early detection and resource use in resource-limited settings.