Recanalization rates by degree of posterior communicating artery (PcoA) compromise
| PcoA flow compromise | Preservation (%) | Incomplete compromise (%) | Complete compromise (%) | Total (%) |
| Complete occlusion | 125 (59.5) | 35 (66.0) | 24 (85.7) | 184 (63.2) |
| Minor recanalization | 39 (18.6) | 7 (13.2) | 4 (14.3) | 50 (17.2) |
| Major recanalization | 46 (21.9) | 11 (20.8) | 0 (0) | 57 (19.6) |
| Total | 210 (100) | 53 (100) | 28 (100) | 291 (100) |