E2 ModerateModerate confidencePEM ?Cross-SectionalPeer-reviewedMachine draft
Pain is associated with reduced quality of life and functional status in patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome.
Strand, Elin Bolle, Mengshoel, Anne Marit, Sandvik, Leiv et al. · Scandinavian journal of pain · 2019 · DOI
Quick Summary
This study compared 87 ME/CFS patients with 94 healthy people to understand how pain affects quality of life. Researchers found that ME/CFS patients experience significantly more pain, anxiety, and depression, and have lower quality of life than healthy controls. Within the ME/CFS group, pain was strongly linked to reduced physical functioning and overall quality of life, suggesting that managing pain could help improve how well patients function daily.
Why It Matters
This research directly addresses a common but understudied aspect of ME/CFS by demonstrating that pain significantly impacts patients' functioning and quality of life. Understanding this relationship is crucial for clinicians to develop comprehensive pain management strategies that could meaningfully improve daily functioning. The findings support pain assessment as an essential clinical tool in ME/CFS care.
Observed Findings
- ME/CFS patients had significantly higher pain levels, anxiety scores, and depression scores compared to healthy controls.
- ME/CFS patients reported significantly lower health-related quality of life across physical functioning, bodily pain, general health, vitality, and social functioning domains.
- Within the ME/CFS group, pain was significantly associated with reduced quality of life in multiple dimensions including physical functioning, bodily pain, general health, vitality, and social functioning.
- Joint pain frequency (but not overall pain intensity) showed significant associations with depression, anxiety, and combined depression-anxiety in the patient group.
- Only a weak relationship was observed between overall pain levels and psychological distress, with joint pain frequency being more predictive of anxiety and depression.
Inferred Conclusions
- Pain is a major contributor to reduced physical functioning and quality of life in ME/CFS patients and warrants thorough clinical assessment.
- Comprehensive pain management combined with coping skills training may improve functioning and quality of life in ME/CFS populations.
- Joint pain, specifically its frequency, may have unique psychological implications and should be specifically assessed in clinical practice.
- Pain assessment should be integrated into standard ME/CFS diagnostic and treatment protocols given its functional impact.
What This Study Does Not Prove
This study cannot establish causation—it cannot prove whether pain causes reduced quality of life or whether the underlying ME/CFS condition causes both pain and reduced QoL. The cross-sectional design captures only a single moment in time, so it cannot track how pain and quality of life change over time or which interventions might help. The study also does not explain the mechanisms linking joint pain frequency to psychological symptoms.
Tags
Symptom:PainFatigue
Method Flag:Weak Case DefinitionSmall SampleExploratory Only
Metadata
- DOI
- 10.1515/sjpain-2018-0095
- PMID
- 30325738
- Review status
- Machine draft
- Evidence level
- Single-study or moderate support from human research
- Last updated
- 8 April 2026