Degree of aneurysmal occlusion at immediately postprocedure and at the last follow-up
| Angiographic Results | Immediate | Follow-Up | ||
|---|---|---|---|---|
| Stationary | Improved | Worse | ||
| Class 1; complete | 87 (69%) | 72 (97) | NA | 2 (3) |
| Class 2; residual neck | 25 (19%) | 5 (28) | 12 (67) | 1 (5) |
| Class 3; residual sac | 15 (12%) | 4 (31) | 9 (69) | NA |
| Total | 127 | 81 (79) | 21 (18) | 3 (3) |
Note:—The numbers in parentheses are percentages.