E2 ModerateModerate confidencePEM not requiredCross-SectionalPeer-reviewedReviewed
Health related quality of life in adolescents with chronic fatigue syndrome: a cross-sectional study.
Winger, Anette, Kvarstein, Gunnvald, Wyller, Vegard Bruun et al. · Health and quality of life outcomes · 2015 · DOI
Quick Summary
This study compared quality of life in 120 teenagers with ME/CFS to 39 healthy teenagers. Teens with ME/CFS reported significantly worse quality of life overall—44 points lower on a 0-100 scale. The biggest problems were physical health impacts and difficulty with school, which were much more affected than other areas of life.
Why It Matters
This is one of the larger studies examining quality of life specifically in adolescents with ME/CFS, a population often overlooked in research. The finding that HRQOL impairment cannot be fully explained by depression alone challenges assumptions that ME/CFS disability in teens is primarily psychological, supporting the recognition of ME/CFS as a serious physical disabling illness.
Observed Findings
- Adolescents with CFS scored 44 points lower on overall HRQOL compared to healthy controls (0-100 scale)
- Physical health interference was the most severely affected domain (59-point difference)
- School functioning was the second-most affected domain (52-point difference)
- Depressive symptoms were present in the CFS group but did not statistically account for the HRQOL differences
- Both depressive symptoms and CFS diagnosis independently predicted lower HRQOL levels
Inferred Conclusions
- ME/CFS is a seriously disabling condition with profound impact on adolescent quality of life, affecting multiple life domains
- The severity of HRQOL impairment in adolescents with ME/CFS exceeds what the authors expected and appears larger than in other chronic diseases
- ME/CFS-related disability in adolescents is not primarily driven by depression, suggesting a distinct pathophysiological basis for functional impairment
Remaining Questions
- What specific physical and school-related symptoms drive the greatest HRQOL impairment (e.g., post-exertional malaise, cognitive difficulties, pain)?
- How does HRQOL change over time, and are there predictors of better or worse outcomes in adolescents with ME/CFS?
What This Study Does Not Prove
As a cross-sectional study, this research cannot establish causation or whether CFS caused the HRQOL decline or vice versa. The study does not define or assess post-exertional malaise (PEM), a core ME/CFS symptom, limiting characterization of the CFS cohort. The finding that depression does not statistically explain HRQOL differences does not prove depression plays no role—only that other ME/CFS-specific factors contribute substantially.
Tags
Symptom:Cognitive DysfunctionPainFatigue
Phenotype:Pediatric
Method Flag:Weak Case DefinitionExploratory OnlyPEM Not Defined
Metadata
- DOI
- 10.1186/s12955-015-0288-3
- PMID
- 26138694
- Review status
- Editor reviewed
- Evidence level
- Single-study or moderate support from human research
- Last updated
- 12 April 2026
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 →
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