Patient characteristics and P2Y12 assay
| In situ thrombosis | Control | P values | |
| Total cases | 37 | 705 | – |
| Age (years) | 53.8 | 56.4 | 0.2325 |
| Female sex | 83.8% (n=31) | 80.4% (n=567) | 0.2535 |
| Remote subarachnoid hemorrhage | 21.6% (n=8) | 15.0% (n=106) | 0.2788 |
| Previously treated | 24.3% (n=9) | 19.4% (n=137) | 0.4657 |
| Clip | 0 | 33 | – |
| Coil | 5 | 82 | – |
| Flow diversion | 3 | 18 | – |
| Multiple treatments | 1 | 4 | – |
| P2Y12 available | 70.3% (n=26) | 59.3% (n=418) | – |
| Average P2Y12 | 156.1±61 | 148.2±74 | 0.5894 |