Table 2.
Intraoperative and perioperative parameters between two groups
| Group NE (n = 34) | Group E (n = 18) | P value | |
|---|---|---|---|
| Postop. neurologic status (Gr) | 2.9 ± 1.8 | 3.8 ± 1.3 | 0.066 |
| Postop. neurologic improvement | 12/34 (35.3%) | 8/18 (44.4%) | 0.519 |
| Op. time (min) | 197.0 ± 60.1 | 201.2 ± 42.1 | 0.790 |
| Levels of laminectomy | 1.3 ± 0.5 | 1.2 ± 0.5 | 0.604 |
| EBL (L) | 1.37 ± 1.11 | 0.99 ± 0.47 | 0.098 |
| Transfusion (pint) | 4.6 ± 4.9 | 2.5 ± 1.5 | 0.025 |
| Massive bleeding | 10/34 (29.4%) | 0/18 (0%) | 0.010 |
| Complication | 9/34 (26.5%) | 5/18 (27.8%) | 0.919 |
Massive bleeding is defined by intraoperative bleeding more than 2 L
NE non-embolization, E embolization, Postop. postoperative, Op. operation, EBL estimated blood loss, Gr grade