Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review
Qiucen Lin,1 Carolina Oi Lam Ung,1– 3 Yunfeng Lai,4 Hao Hu,1– 3 Mihajlo Jakovljevic5– 7 1State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, People’s Republic of China; 2Centre for Pharmaceutical Regulatory Sciences, Univer...
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Dove Medical Press
2025-06-01
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| author | Lin Q Ung COL Lai Y Hu H Jakovljevic M |
| author_facet | Lin Q Ung COL Lai Y Hu H Jakovljevic M |
| author_sort | Lin Q |
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| description | Qiucen Lin,1 Carolina Oi Lam Ung,1– 3 Yunfeng Lai,4 Hao Hu,1– 3 Mihajlo Jakovljevic5– 7 1State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, People’s Republic of China; 2Centre for Pharmaceutical Regulatory Sciences, University of Macau, Macao, People’s Republic of China; 3Department of Public Health and Medicinal Administration, Faculty of Health Sciences, University of Macau, Macao, People’s Republic of China; 4School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China; 5UNESCO-TWAS, The World Academy of Sciences, Trieste, 34100, Italy; 6Shaanxi University of Technology, Hanzhong, 723099, People’s Republic of China; 7Department of Global Health Economics and Policy, University of Kragujevac, Kragujevac, SerbiaCorrespondence: Hao Hu, Email haohu@um.edu.mo Mihajlo Jakovljevic, Email sidartagothama@gmail.comBackground: Obesity poses significant health and economic burdens globally, with interventions requiring robust cost-effectiveness evaluations. Markov models are widely utilized in economic evaluation of obesity interventions, their structure, assumptions, and related uncertainties have not yet been thoroughly evaluated.Objective: This study aimed to systematically review the Markov models used for the economic evaluation of anti-obesity interventions, describe their structural characteristics, identify key uncertainties, and provide insights for future research.Methods: The review was conducted across three databases (PubMed, Embase, the Cochrane Library) and health technology assessment agency websites to identify published Markov model-based full economic evaluations in adults with obesity from their inception to 2 June 2024. Model structure, model uncertainty, and validation were extracted from the included studies. Philips checklist for the methodology quality of modeling studies was performed.Results: The review included 21 primary publications with 21 unique Markov models. Two modeling approaches regarding the progression of obesity and its impact were identified: direct BMI to cost and utility; and BMI-linked complications, with diabetes and cardiovascular diseases most frequently modeled. Validation practices were inconsistently reported (43% of models), and structural uncertainty (eg, BMI trajectory assumptions) was rarely addressed. Quality assessment revealed moderate rigor (a mean compliance rate of 78% across all criteria), with gaps in transparency and generalizability, particularly for non-Western populations. Probabilistic sensitivity analysis was universal, yet scenario analyses highlighted outcome sensitivity to complication inclusion and time horizons.Conclusion: While Markov models are commonly utilized in obesity intervention evaluations, methodological heterogeneity and insufficient validation limit comparability and reliability. Future models should prioritize standardized validation (eg, ISPOR guidelines), broader complication spectrum, and diverse population data. Enhancing transparency in structural assumptions and uncertainty analysis is critical for robust policy recommendations.Keywords: obesity, Markov model, disease progression, economic evaluation |
| format | Article |
| id | doaj-art-50e9bca0b6734f2da4a84c29902dd13c |
| institution | DOAJ |
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| language | English |
| publishDate | 2025-06-01 |
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| spelling | doaj-art-50e9bca0b6734f2da4a84c29902dd13c2025-08-20T03:15:54ZengDove Medical PressRisk Management and Healthcare Policy1179-15942025-06-01Volume 18Issue 121692187104312Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic ReviewLin Q0Ung COL1Lai Y2Hu H3Jakovljevic M4ICMSState Key Laboratory of Quality Research in Chinese MedicineSchool of Public Health and ManagementInstitute of Chinese Medical SciencesDepartment of Global Health Economics and PolicyQiucen Lin,1 Carolina Oi Lam Ung,1– 3 Yunfeng Lai,4 Hao Hu,1– 3 Mihajlo Jakovljevic5– 7 1State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, People’s Republic of China; 2Centre for Pharmaceutical Regulatory Sciences, University of Macau, Macao, People’s Republic of China; 3Department of Public Health and Medicinal Administration, Faculty of Health Sciences, University of Macau, Macao, People’s Republic of China; 4School of Public Health and Management, Guangzhou University of Chinese Medicine, Guangzhou, People’s Republic of China; 5UNESCO-TWAS, The World Academy of Sciences, Trieste, 34100, Italy; 6Shaanxi University of Technology, Hanzhong, 723099, People’s Republic of China; 7Department of Global Health Economics and Policy, University of Kragujevac, Kragujevac, SerbiaCorrespondence: Hao Hu, Email haohu@um.edu.mo Mihajlo Jakovljevic, Email sidartagothama@gmail.comBackground: Obesity poses significant health and economic burdens globally, with interventions requiring robust cost-effectiveness evaluations. Markov models are widely utilized in economic evaluation of obesity interventions, their structure, assumptions, and related uncertainties have not yet been thoroughly evaluated.Objective: This study aimed to systematically review the Markov models used for the economic evaluation of anti-obesity interventions, describe their structural characteristics, identify key uncertainties, and provide insights for future research.Methods: The review was conducted across three databases (PubMed, Embase, the Cochrane Library) and health technology assessment agency websites to identify published Markov model-based full economic evaluations in adults with obesity from their inception to 2 June 2024. Model structure, model uncertainty, and validation were extracted from the included studies. Philips checklist for the methodology quality of modeling studies was performed.Results: The review included 21 primary publications with 21 unique Markov models. Two modeling approaches regarding the progression of obesity and its impact were identified: direct BMI to cost and utility; and BMI-linked complications, with diabetes and cardiovascular diseases most frequently modeled. Validation practices were inconsistently reported (43% of models), and structural uncertainty (eg, BMI trajectory assumptions) was rarely addressed. Quality assessment revealed moderate rigor (a mean compliance rate of 78% across all criteria), with gaps in transparency and generalizability, particularly for non-Western populations. Probabilistic sensitivity analysis was universal, yet scenario analyses highlighted outcome sensitivity to complication inclusion and time horizons.Conclusion: While Markov models are commonly utilized in obesity intervention evaluations, methodological heterogeneity and insufficient validation limit comparability and reliability. Future models should prioritize standardized validation (eg, ISPOR guidelines), broader complication spectrum, and diverse population data. Enhancing transparency in structural assumptions and uncertainty analysis is critical for robust policy recommendations.Keywords: obesity, Markov model, disease progression, economic evaluationhttps://www.dovepress.com/critical-analysis-of-markov-modeling-for-the-economic-evaluation-of-ob-peer-reviewed-fulltext-article-RMHPObesityMarkov modeldisease progressioneconomic evaluation |
| spellingShingle | Lin Q Ung COL Lai Y Hu H Jakovljevic M Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review Risk Management and Healthcare Policy Obesity Markov model disease progression economic evaluation |
| title | Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review |
| title_full | Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review |
| title_fullStr | Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review |
| title_full_unstemmed | Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review |
| title_short | Critical Analysis of Markov Modeling for the Economic Evaluation of Obesity Interventions: A Systematic Review |
| title_sort | critical analysis of markov modeling for the economic evaluation of obesity interventions a systematic review |
| topic | Obesity Markov model disease progression economic evaluation |
| url | https://www.dovepress.com/critical-analysis-of-markov-modeling-for-the-economic-evaluation-of-ob-peer-reviewed-fulltext-article-RMHP |
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