Immediate angiographic occlusion classification
| Overall | n | Class 1 (n = 35; 34%) | Class 2 (n = 36; 35%) | Class 3 (n = 33; 32%) |
|---|---|---|---|---|
| S/S | 42 | 22 | 11 | 9 |
| S/W | 27 | 9 | 11 | 7 |
| Large | 32 | 4 | 12 | 16 |
| Giant | 3 | 0 | 2 | 1 |
Note:—Classification is based on Roy et al7. S/S indicates small size (<10 mm)/narrow-necked (<4 mm); S/W, small size/wide-necked (>4 mm); Large, >10–25 mm; Giant, >25 mm.