Endovascular procedures
| Total | Complication | P Value | OR (95% CI) | |||
|---|---|---|---|---|---|---|
| Yes | No | Uni- | Multi- | |||
| No. of procedures (%) | 1042 | 136 (13.1%) | 906 (86.9%) | |||
| Emergency (No.) (%) | 124 | 13 (9.6%) | 111 (10.6%) | .366 | ||
| Provocation test (No.) (%) | 117 (11.2%) | 8 (5.9%) | 109 (12.0%) | .059 | ||
| SEP and/or MEP monitoring (No.) (%) | 39 (3.7%) | 7 (5.1%) | 32 (3.5%) | .561 | ||
| No. of treatments (No.) (%) | ||||||
| Initial | 778 (75.6%) | 104 (76.5%) | 684 (75.5%) | .48 | ||
| Second and more | 254 (24.4%) | 32 (23.5%) | 222 (24.5%) | .48 | ||
| Strategy (No.) (%) | ||||||
| Curative | 87 (8.3%) | 17 (12.5%) | 70 (7.7%) | .061 | ||
| Target | 144 (13.8%) | 15 (11.0%) | 129 (14.2%) | .312 | ||
| Presurgical | 638 (61.2%) | 74 (54.4%) | 564 (62.3%) | .08 | ||
| Preradiosurgical | 160 (15.4%) | 29 (21.3%) | 131 (14.5%) | .038 | .074 | 1.13 (0.96–2.44) |
| No. of approaches (mean) | 3.2 ± 1.2 | 3.3 ± 1.5 | .28 | |||
| Embolic material (No.) (%) | ||||||
| Coils | 165 (15.8%) | 16 (11.8%) | 149 (15.3%) | .163 | ||
| n-BCA | 627 (60.2%) | 83 (61.0%) | 544 (60.0%) | .827 | ||
| Onyx | 432 (41.5%) | 64 (47.1%) | 368 (40.6%) | .073 | ||
| Results (No.) (%) | ||||||
| Complete obliteration | 101 (9.7%) | 18 (13.2%) | 83 (9.2%) | .134 | ||
| Nearly complete | 285 (27.3%) | 38 (27.9%) | 247 (27.3%) | .869 | ||
| Partial | 628 (60.3%) | 76 (55.9%) | 552 (60.9%) | .262 | ||
| Unchanged | 17 (1.6%) | 3 (2.2%) | 14 (1.5%) | .571 | ||
Note:—SEP indicates sensory-evoked potential; MEP, motor-evoked potential.