Clinical data of 36 patients with SDAVF
| Clinical information | Date |
| Age (years old) | 50.9±10.1 |
| Female (n, %） | 21 (58.3%) |
| Course of disease (month, M(Q)) | 4 (10) |
| Supplying artery | |
| Internal iliac artery | 31 (86.1%) |
| External iliac artery | 2 (5.6%) |
| Median sacral artery | 3 (8.3%) |
| Segment | |
| S1 | 24 (66.7%) |
| S2 | 10 (27.8%) |
| S3 | 2 (5.6%) |
| Treatment method | |
| Endovascular embolisation | 30 (77.8%) |
| Microsurgery | 6 |
| Preoperative mALs (M(Q)) | 4 (1) |
| Postoperative mALs (M(Q))* | 3 (1) |
| Prognosis (n, %) | |
| Improve | 21 (73.3%) |
| No-change | 15 (26.7%) |
| Worsen | 0 |
*According to mALs, postoperative function had improved significantly (Z=−3.449, p=0.001).
mALs, modified Aminoff–Logue scale; SDAVF, sacral dural arteriovenous fistula.