| Study | Comparison | Outcome | Int pre mean (SD) | Int post mean (SD) | C pre mean (SD) | C post mean (SD) | Post diff | Relative % change | SMD | P value |
| Eccles 2001 | A&F vs ed mat | Radiograph requests per 1000 patients (lumbar) | 7.24 (4.8) | 5.97 (4.2) | 7.53 (4.1) | 6.8 (4.3) | 0.83 | 12.21 | 0.202 | <0.05 |
| Eccles 2001 | Rem vs ed mat | Radiograph requests per 1000 patients (lumbar) | 7.31 (5.2) | 5.14 (3.7) | 7.53 (4.1) | 6.8 (4.3) | 1.66 | 24.41 | 0.405 | <0.05 |
| Eccles 2001 | A&F + rem vs ed mat | Radiograph requests per 1000 patients (lumbar) | 8.30 (5.1) | 5.23 (3.7) | 7.53 (4.1) | 6.8 (4.3) | 1.57 | 23.09 | 0.383 | <0.05 |
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