Severens, J L, Prins, J B, van der Wilt, G J et al. · QJM : monthly journal of the Association of Physicians · 2004 · DOI
This study compared the cost and effectiveness of cognitive behaviour therapy (CBT), support groups, and usual care for ME/CFS patients over 14 months. CBT helped more patients improve (27% at 14 months) compared to support groups (11%) and usual care (20%), and was less expensive than support groups. However, compared to doing nothing special, CBT cost about €20,500 per patient who showed meaningful improvement.
Understanding the real-world costs and benefits of treatments is crucial for patients and healthcare systems deciding whether to invest in CBT for ME/CFS. This study provides rare economic data showing that while CBT is more effective than support groups, the overall cost-effectiveness remains uncertain, highlighting the need for longer-term follow-up and better understanding of indirect costs like lost productivity.
This study does not prove that CBT is the best treatment for all ME/CFS patients or that it should be universally funded; the high cost-effectiveness ratios and substantial uncertainty suggest the evidence is mixed. It also does not establish that CBT is suitable for all ME/CFS subtypes, as case definitions and patient heterogeneity may limit generalizability. The study cannot determine causality between CBT and improvement versus natural recovery or placebo effects.
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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