Radiography v no radiography in primary care patients with low back pain†
| Outcomes | Radiography | No radiography | RRI (95% CI) | NNH (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RRI, NNH, and CI calculated from data in article. | ||||
| Pain at 3 months | 74% | 65% | 14% (0.5 to 31) | 11 (6 to 288) |
| Pain at 9 months | 65% | 57% | 14% (−3.0 to 34) | Not significant |