Adamowicz, Jenna L, Caikauskaite, Indre, Friedberg, Fred · Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation · 2014 · DOI
This review looked at 22 studies about ME/CFS to understand how researchers decide if someone has recovered. The researchers found that different studies use very different definitions of recovery—some only look at fatigue levels, others look at function, and some use simple yes/no assessments. The authors suggest that the word 'recovery' might not be accurate for many cases, and recommend using clearer terms like 'clinically significant improvement' instead.
This review directly addresses a critical problem in ME/CFS research: the lack of consensus on what 'recovery' means makes it impossible to compare studies fairly or understand true treatment effectiveness. For patients, using precise terminology and comprehensive assessments that capture both fatigue reduction and restored function—rather than misleading claims of 'recovery' based on limited measures—ensures honest communication about what treatments actually achieve.
This systematic review does not establish which definition of recovery is biologically correct or most clinically meaningful—it only documents that definitional inconsistency exists. It does not evaluate the long-term sustainability of any measured improvements or prove that any particular intervention causes recovery. The review itself does not collect new patient outcome data or test whether comprehensive assessments predict better clinical outcomes than brief global measures.
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
Adamowicz, Jenna L, Caikauskaite, Indre, & Friedberg, Fred (2014). Defining recovery in chronic fatigue syndrome: a critical review.. Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation. https://doi.org/10.1007/s11136-014-0705-9
BibTeX
@article{mecfsatlas-adamowicz-2014-defining-recovery,
author = {Adamowicz, Jenna L and Caikauskaite, Indre and Friedberg, Fred},
title = {Defining recovery in chronic fatigue syndrome: a critical review.},
journal = {Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation},
year = {2014},
doi = {10.1007/s11136-014-0705-9},
note = {PubMed: 24791749},
url = {https://www.mecfsatlas.com/evidence/adamowicz-2014-defining-recovery},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/adamowicz-2014-defining-recovery
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