AVM angiographic characteristics of the population
| Angiographic Parameter | Value |
|---|---|
| AVM locations | |
| Frontal | 3 |
| Parietal | 6 |
| Parieto-occipital | 4 |
| Temporoparietal | 1 |
| Occipital | 3 |
| Temporal | 2 |
| Cerebellar | 1 |
| AVM S-M grades | |
| 1 | 5 |
| 2 | 9 |
| 3 | 5 |
| 4 | 1 |
| Size (cms) | |
| ≤1 | 1 |
| ≤2 and >1 | 10 |
| ≤3 and >2 | 13 |
| ≤4 and >3 | 11 |
| ≤5 and >4 | 1 |
| ≤6 and >5 | 0 |
| ≤7 and >6 | 2 |
| Transit times (secs) | |
| 0.5 | 8 |
| 0.75 | 21 |
| 0.83 | 1 |
| 1.0 | 5 |