Reynolds, Kenneth J, Vernon, Suzanne D, Bouchery, Ellen et al. · Cost effectiveness and resource allocation : C/E · 2004 · DOI
This study looked at how much money people with ME/CFS lose because they cannot work or be as productive at home. Researchers found that people with ME/CFS lose about $20,000 per year in productivity on average, and the total cost to the United States economy is around $9.1 billion annually. This financial burden is similar to what other serious diseases like digestive disorders or nervous system conditions cost the country.
This study provides concrete economic evidence of ME/CFS's substantial impact, demonstrating that the disease costs the nation billions of dollars annually—a figure comparable to major chronic illnesses. Documenting this burden strengthens the case for increased research funding and policy attention to ME/CFS, which despite its disabling nature had received limited economic analysis at the time of publication.
This study does not identify the biological causes of ME/CFS or prove that any particular treatment would be cost-effective. It also does not establish causation at the individual level—it estimates group-level productivity losses based on cross-sectional data, so it cannot definitively link specific CFS symptoms to specific productivity decrements for any given person.
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
Reynolds, Kenneth J, Vernon, Suzanne D, Bouchery, Ellen, & Reeves, William C (2004). The economic impact of chronic fatigue syndrome.. Cost effectiveness and resource allocation : C/E. https://doi.org/10.1186/1478-7547-2-4
BibTeX
@article{mecfsatlas-reynolds-2004-economic-impact,
author = {Reynolds, Kenneth J and Vernon, Suzanne D and Bouchery, Ellen and Reeves, William C},
title = {The economic impact of chronic fatigue syndrome.},
journal = {Cost effectiveness and resource allocation : C/E},
year = {2004},
doi = {10.1186/1478-7547-2-4},
note = {PubMed: 15210053},
url = {https://www.mecfsatlas.com/evidence/reynolds-2004-economic-impact},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-28. https://www.mecfsatlas.com/evidence/reynolds-2004-economic-impact
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