Table 1.
Search strategy
| MEDLINE | EMBASE® | Cochrane Central Register |
|---|---|---|
| 1. thoracic vertebrae/or thoracic$.mp. | 1. Thoracolumbar Spine/ | 1. thoracic vertebrae/or thoracic$.mp. |
| 2. lumbar vertebrae/or lumbar$.mp. | 2. (thoracolumbar or thoraco-lumbar).mp. | 2. lumbar vertebrae/or lumbar$.mp. |
| 3. 1 and 2 | 3. (thoracic$ and lumbar$).mp. | 3. 1 and 2 |
| 4. (thoracolumbar or thoraco-lumbar).mp. | 4. or/1-3 | 4. (thoracolumbar or thoraco-lumbar).mp. |
| 5. 3 or 4 | 5. spine fracture/or vertebra fracture/ | 5. 3 or 4 |
| 6. spinal fractures/or fractur$.mp. | 6. fractur$.mp. | 6. spinal fractures/or fractur$.mp. |
| 7. 5 and 6 | 7. 5 or 6 | 7. 5 and 6 |
| 8. 7 and burst$.mp. | 8. 4 and 7 | 8. (nonoperat$ or non-operat$).mp. |
| 9. (nonoperat$ or non-operat$).mp. | 9. 8 and burst$.mp. | 9. (nonsurg$ or non-surg$).mp. |
| 10. (nonsurg$ or non-surg$).mp. | 10. (nonoperat$ or non-operat$).mp. | 10. conservativ$.mp. |
| 11. conservativ$.mp. | 11. (nonsurg$ or non-surg$).mp. | 11. expectant$.mp. |
| 12. expectant$.mp. | 12. conservativ$.mp. | 12. (medical$ adj2 manag$).mp. |
| 13. (medical$ adj2 manag$).mp. | 13. expectant$.mp. | 13. (dt or rh or th).fs. |
| 14. (dt or rh or th).fs. | 14. (medical$ adj2 manag$).mp. | 14. su.fs. |
| 15. su.fs. | 15. (dt or rh or th).fs. | 15. 13 and 14 |
| 16. 14 and 15 | 16. su.fs. | 16. or/8-12,15 |
| 17. or/9-13,16 | 17. 15 and 16 | 17. 7 and 16 |
| 18. 8 and 17 | 18. or/10-14,17 | |
| 19. 7 and 17 | 19. 9 and 18 | |
| 20. exp Controlled Clinical Trials as Topic/ | 20. 8 and 18 | |
| 21. Random Allocation/ | 21. exp controlled clinical trial/ | |
| 22. Double-Blind Method/ | 22. randomization/ | |
| 23. single blind method/ | 23. double blind procedure/ | |
| 24. controlled clinical trial/or randomized controlled trial/ | 24. single blind procedure/ | |
| 25. Comparative Study/ | 25. Crossover Procedure/ | |
| 26. ((singl$ or doubl$ or trebl$ or tripl$) adj (blind$ or mask$)).mp. | 26. exp case control study/ | |
| 27. (randomi?ed control$ trial$ or rct$).mp. | 27. comparative study/or intermethod comparison/ | |
| 28. (random adj2 (allocat$ or assign$)).mp. | 28. ((singl$ or doubl$ or trebl$ or tripl$) adj (blind$ or mask$)).mp. | |
| 29. placebos/or placebo$.mp. | 29. (randomi?ed control$ trial$ or rct$).mp. | |
| 30. or/20-29 | 30. (random adj2 (allocat$ or assign$)).mp. | |
| 31. 19 and 30 | 31. placebo/or placebo$.mp. | |
| 32. limit 19 to “therapy (optimized)” | 32. or/21-31 | |
| 33. limit 19 to (controlled clinical trial or randomized controlled trial) | 33. 20 and 32 | |
| 34. or/31-33 | 34. limit 20 to “treatment (2 or more terms min difference)” | |
| 35. 18 or 34 | 35. 33 or 34 | |
| 36. 9 or 35 |