Chung, Yujin, Lee, Seung Yeoun, Elston, Robert C et al. · Bioinformatics (Oxford, England) · 2007 · DOI
This study presents a new computational tool called OR MDR that helps scientists find combinations of genes that might increase the risk of developing diseases like ME/CFS. Unlike older methods that simply sort gene combinations into two groups (high-risk or low-risk), this new tool provides more detailed information about exactly how much each gene combination increases disease risk, including ranges of uncertainty around those estimates.
ME/CFS is a complex disease likely involving multiple genes and environmental factors interacting together. This improved analytical method could help researchers more accurately identify which genetic combinations put people at risk for ME/CFS, potentially leading to better understanding of disease mechanisms and improved diagnosis.
This is a methods paper describing a statistical tool—it does not establish that any specific genes cause ME/CFS or prove how genes interact in ME/CFS patients. The method is demonstrated on CFS data but does not itself identify definitive genetic risk factors; it is a framework for future studies to use. Results depend entirely on the quality of genetic data and case definitions used in individual studies.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Chung, Yujin, Lee, Seung Yeoun, Elston, Robert C, & Park, Taesung (2007). Odds ratio based multifactor-dimensionality reduction method for detecting gene-gene interactions.. Bioinformatics (Oxford, England). https://doi.org/10.1093/bioinformatics/btl557
BibTeX
@article{mecfsatlas-chung-2007-odds-ratio,
author = {Chung, Yujin and Lee, Seung Yeoun and Elston, Robert C and Park, Taesung},
title = {Odds ratio based multifactor-dimensionality reduction method for detecting gene-gene interactions.},
journal = {Bioinformatics (Oxford, England)},
year = {2007},
doi = {10.1093/bioinformatics/btl557},
note = {PubMed: 17092990},
url = {https://www.mecfsatlas.com/evidence/chung-2007-odds-ratio},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-27. https://www.mecfsatlas.com/evidence/chung-2007-odds-ratio
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