Search terms used in the systematic review
| Search terms | Reference database | Number of identified studies |
| 1) “Stroke” or “cerebrovascular accident” or “CVA” | PubMed | 140 000 |
| EMBASE | 15 872 | |
| Cochrane | 22 508 | |
| 2) #1 AND (“ischemic” OR “occlusion”) | PubMed | 39 614 |
| EMBASE | 12 002 | |
| Cochrane | 5495 | |
| 3) #2 AND (“large vessel” or “great vessel” or “large artery”) | PubMed | 1442 |
| EMBASE | 453 | |
| Cochrane | 196 | |
| 4) #3 AND (“acute” or “major”) | PubMed | 1019 |
| EMBASE | 385 | |
| Cochrane | 165 | |
| 5) #4 AND (“scale” or “outcome” or “outcomes” or “instrument”) | PubMed | 625 |
| EMBASE | 232 | |
| Cochrane | 136 |
Search performed on 8 June 2017.