Table 1.
Ovid MEDLINE search strategy
| # | Search |
| 1. | *Palliative Care/ |
| 2. | palliative care.ab,ti. |
| 3. | support* care.ab,ti. |
| 4. | early palliative care.af. |
| 5. | special* palliative care.af. |
| 6. | terminal care.ab,ti. |
| 7. | hospice.ab,ti. |
| 8. | coordinat* care.ab,ti. |
| 9. | comprehensiv* care.ab,ti. |
| 10. | 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 |
| 11. | randomized controlled trial.pt. |
| 12. | controlled clinical trial.pt. |
| 13. | randomized.ab. |
| 14. | placebo.ab. |
| 15. | clinical trials as topic.sh. |
| 16. | randomly.ab. |
| 17. | trial.ti. |
| 18. | 11 or 12 or 13 or 14 or 15 or 16 or 17 |
| 19. | ((comment or editorial or meta-analysis or practice-guideline or review or letter or journal correspondence) not “randomized controlled trial”).pt. |
| 20. | (random sampl$ or random digit$ or random effect$ or random survey or random regression).ti,ab. not “randomized controlled trial”.pt. |
| 21. | exp animals/ not humans.sh. |
| 22. | child*.mp. or Child/ |
| 23. | 10 and 18 |
| 24. | 19 not (19 or 20 or 21 or 22) |