Characteristics | Number (%) |
Age at treatment, average (SD), years | 53.5 (10.7) |
Men, n (%) | 78 (83.0) |
Time interval between symptoms and treatment, average (SD), months | 12.7 (12.8) |
≤6 months, n (%) | 37 (39.4) |
6–12 m, n (%) | 28 (29.8) |
>12 m, n (%) | 29 (30.8) |
Location of the fistula, n (%) | |
Above T7 | 30 (31.6%) |
T7–T12 | 46 (48.4%) |
Below T12 | 19 (20.0%) |
Treatment method, n (%) | |
Neurosurgery | 81 (86.2%) |
Endovascular | 10 (10.6%) |
Combination | 3 (3.2%) |
Preoperative mALS, n (%) | |
G score | |
0 | 5 (5.3%) |
1 | 9 (9.6%) |
2 | 39 (41.5%) |
3 | 18 (19.1%) |
4 | 8 (8.5%) |
5 | 15 (16.0%) |
average (SD) | 2.6 (1.4) |
U score | |
0 | 11 (11.7%) |
1 | 41 (43.6%) |
2 | 25 (26.6%) |
3 | 17 (18.1%) |
average (SD) | 1.5 (0.9) |
F score | |
0 | 8 (8.5%) |
1 | 57 (60.6%) |
2 | 24 (25.5%) |
3 | 5 (5.4%) |
average (SD) | 1.3 (0.7) |
*patient with two fistulas (T8, T10).
F, faeces; G, gait; mALS, modified Aminoff and Logue’s Scale; SDAVF, spinal dural arteriovenous fistula; T, thoracic; U, urination.