Table 4.
Clinical outcome after the first treatment session with respect to permanency and cause of neurological deterioration
| bare coils (n = 1533) |
fibered coils (n = 463) |
total (n = 1996) |
p-value | ||||
|---|---|---|---|---|---|---|---|
| No deficit | 1036 | (67.6%) | 330 | (71.3%) | 1366 | (68.4%) | |
| Neurological deficit | 497 | (32.4%) | 133 | (28.7%) | 630 | (31.6%) | 0.138 |
| Kind of deficit | |||||||
| - Coil-procedure related: | |||||||
| Transient | 84 | (5.5%) | 21 | (4.5%) | 105 | (5.3%) | 0.477 |
| Mild | 37 | (2.4%) | 6 | (1.3%) | 43 | (2.1%) | 0.200 |
| Severe | 43 | (2.8%) | 12 | (2.6%) | 55 | (2.8%) | 0.873 |
| Dead | 16 | (1.0%) | 7 | (1.5%) | 23 | (1.1%) | 0.455 |
| - Preexisting | 81 | (5.3%) | 4 | (0.9%) | 85 | (4.3%) | 0.000 |
| - Non coil-procedure related: | |||||||
| Mild | 43 | (2.8%) | 18 | (3.9%) | 61 | (3.1%) | 0.280 |
| Severe | 144 | (9.4%) | 48 | (10.4%) | 192 | (9.6%) | 0.530 |
| Dead | 47 | (3.1%) | 14 | (3.0%) | 61 | (3.1%) | 1.000 |
|
Procedural but non coil-procedure related |
2 | (0.1%) | 3 | (0.4%) | 5 | (0.1%) | 0.085 |
| For 23 treatments the clinical outcome was not yet defined. | |||||||