Medical management plus cognitive behavioural therapy (CBT) v medical management alone (control) for patients with rheumatoid arthritis†
| Outcomes at 6 months | CBT | Control | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| †RAI=Ritchie Articular Index. Other abbreviations defined in glossary; RRR, RBI, NNT, and CI calculated from data in article. | ||||
| >25% deterioration in symptoms (RAI score) | 4% | 27% | 84% (10 to 97) | 5 (3 to 57) |
| No change in RAI score | 48% | 55% | 12% (−56 to 51) | Not significant |
| RBI (CI) | ||||
| ≥25% improvement in symptoms (RAI score) | 48% | 18% | 163% (6 to 605) | 4 (2 to 55) |