Bentall, Richard P, Powell, Pauline, Nye, Fred J et al. · The British journal of psychiatry : the journal of mental science · 2002 · DOI
This study looked at which ME/CFS patients improved most with psychological treatment that included graded exercise. Researchers found that patients were less likely to improve if they were members of self-help groups, receiving sickness benefits, or experiencing depression or anxiety. Importantly, how long someone had been sick or how severe their symptoms were did not predict whether treatment would help.
Understanding which patients respond well to psychological treatments helps clinicians tailor interventions and manage expectations appropriately. This study challenges the assumption that sicker or longer-suffering patients necessarily have worse outcomes, suggesting instead that psychosocial and motivational factors play a crucial role in treatment response for ME/CFS.
This study does not prove that self-help groups, sickness benefits, or depression cause poor treatment outcomes—only that these factors are associated with worse results. The findings cannot establish whether these factors reflect resistance to treatment or whether other unmeasured variables explain the relationship. Results may not generalize to patients receiving other treatment types or to different healthcare systems.
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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