Spetzler-Martin classification and mRS score before and after embolization in 130 patients with sbAVMs
| Grade | Preprocedural, No. (%) | Postprocedural, No. (%) |
|---|---|---|
| Spetzler-Martin classification | ||
| I | 16 (16.31%) | 34 (33.33%)a |
| II | 34 (26.15%) | 20 (19.61%) |
| III | 36 (27.69%) | 28 (27.45%) |
| IV | 30 (23.08%) | 16 (15.69%) |
| V | 14 (10.77%) | 4 (3.92%) |
| mRS | ||
| 0 | 10 (7.69%) | 29 (22.31%)a |
| 1 | 79 (60.77%) | 54 (41.54%)a |
| 2 | 19 (14.62%) | 20 (15.38%) |
| 3 | 11 (8.46%) | 11 (8.46%) |
| 4 | 5 (3.85%) | 12 (9.23%) |
| 5 | 6 (4.62%) | 3 (2.31%) |
| 6 | 0 (0%) | 1 (0.77%) |
Note:—χ2 test.
↵a P < .05, significant difference.