Improvement at 8 months for cognitive behavior therapy (CBT), guided support (GS), and control treatment (C) in the chronic fatigue syndrome‡
| Outcomes | Comparison | Improvement | RBI (95% CI) | NNT (CI) |
|---|---|---|---|---|
| ‡CIS = checklist individual strength. Other abbreviations defined in glossary; RBI, NNT, and CI calculated from data in article. | ||||
| CIS fatigue severity | CBT v GS | 33% v 13% | 160% (38 to 402) | 5 (4 to 14) |
| CBT v C | 33% v 13% | 154% (35 to 389) | 6 (4 to 15) | |
| Self rated improvement in fatigue | CBT v GS | 57% v 17% | 236% (99 to 489) | 3 (2 to 5) |
| CBT v C | 57% v 30% | 93% (31 to 189) | 4 (3 to 9) | |