Treatment and results of pediatric patients with PMAVF
| Variables | Total (n=51) | Type IVb (n=24) | Type IVc(n=27) | P values |
| Treatment techniques | 0.045 | |||
| EMB | 46 (90.2%) | 23 (95.8%) | 23 (85.2%) | – |
| EMB & MSD | 5 (9.8%) | 1 (4.2%) | 4 (14.8%) | – |
| Treatments' frequency | ||||
| Mean no. of treatment | 1.5±0.7 | 1.3±0.7 | 1.6±0.7 | 0.075 |
| Cure rate of EMB | 46 (90.2%) | 23 (95.8%) | 23 (85.2%) | 0.045 |
| Follow-up results | ||||
| Mean follow-up time | 58.4±16.7 | 55.6±18.1 | 62.5±11.1 | 0.461 |
| mASL at 6 months | 3.2±2.8 | 3.3±2.7 | 3.1±0.5 | 0.647 |
| mASL at follow-up | 1.7±1.1 | 1.8±1.0 | 1.5±1.3 | 0.332 |
| Improved | 42 (82.4%) | 44 (89.8%) | 25 (75.8%) | 0.038 |
| Spinal function at follow-up | 0.519 | |||
| Normal | 19 (37.3%) | 7 (29.2%) | 12 (44.4%) | – |
| Slight disability | 24 (47.0%) | 20 (83.3%) | 23 (85.2%) | – |
| Moderate-severe disability | 8 (15.7%) | 4 (16.7%) | 4 (14.8%) | – |
EMB, embolization; mALS, modified Aminoff–Logue Score; MSD, microsurgical disconnection.