Cognitive behaviour therapy (CBT) v relaxation*

Outcomes at 6 monthsCBT EERRelaxation CERRBI (95% CI)ABI |EER–CER|NNT (CI)
*Abbreviations defined in glossary; RBI, ABI, NNT, and CI calculated from data in article.
Functional improvement70%19%266% (74 to 751)51%2 (1 to 4)
Less fatigue63%15% 309%(74 to 960)48% 3(1 to 5)
Fails the chronic fatigue syndrome56%8%622% (116 to 2585)48%3 (1 to 4)