Target lesions in each institution
| Institution | No. of Target Lesions | |||
|---|---|---|---|---|
| AN | AVF | CCF | AVM | |
| Institution 1 | 39 | 2 | 4 | 3 |
| Institution 2 | 19 | 0 | 1 | 0 |
| Institution 3 | 12 | 3 | 0 | 0 |
| Institution 4 | 8 | 1 | 1 | 0 |
| Institution 5 | 5 | 0 | 0 | 0 |
| Institution 6 | 3 | 1 | 0 | 1 |
| Overall | 86 | 7 | 6 | 4 |
Note:—AN indicates cerebral aneurysm; AVF, dural arteriovenous fistula; CCF, internal carotid artery cavernous sinus fistula; AVM, arteriovenous malformation.