Success rates for corticosteroid injections (Cort), physiotherapy (Phys), and a wait and see policy (WS) for lateral epicondylitis†
| Follow up | Cort | Phys | WS | RBI (95% CI) | NNT (CI) |
|---|---|---|---|---|---|
| 6 weeks | 92% | — | 32% | 185% (102 to 326) | 2 (2 to 3) |
| — | 47% | 32% | 46% (–6.4 to 131) | Not significant | |
| 92% | 47% | — | 96% (53 to 163) | 3 (2 to 4) |
| RBR (CI) | NNH | ||||
|---|---|---|---|---|---|
| 1 year | 69% | — | 83% | 16.5% (–2.1 to 33) | Not significant |
| RBI (CI) | NNT | ||||
|---|---|---|---|---|---|
| — | 91% | 83% | 9.1% (–5.2 to 28) | Not significant |
| RBR (CI) | NNH (CI) | ||||
|---|---|---|---|---|---|
| †Success = patient self report of completely recovered or much improved; RBR = relative benefit reduction. Other abbreviations defined in glossary; RBI, RBR, NNT, NNH, and CI calculated from data in article. | |||||
| 69% | 91% | — | 23% (9.1 to 38) | 5 (3 to 14) | |